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---
id: 5900f4661000cf542c50ff78
title: 'Problem 250: 250250'
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challengeType: 5
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forumTopicId: 301898
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dashedName: problem-250-250250
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---
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# --description--
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Find the number of non-empty subsets of $\\{{1}^{1}, {2}^{2}, {3}^{3}, \ldots, {250250}^{250250}\\}$, the sum of whose elements is divisible by 250. Enter the rightmost 16 digits as your answer.
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# --hints--
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`twoHundredFifty()` should return `1425480602091519` .
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```js
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assert.strictEqual(twoHundredFifty(), 1425480602091519);
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```
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# --seed--
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## --seed-contents--
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```js
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function twoHundredFifty() {
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return true;
}
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twoHundredFifty();
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```
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# --solutions--
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```js
// solution required
```