---
id: 5900f4651000cf542c50ff77
challengeType: 5
title: 'Problem 248: Numbers for which Euler’s totient function equals 13!'
videoUrl: ''
localeTitle: 'Problema 248: Números para os quais a função totiente de Euler é igual a 13!'
---

## Description
<section id="description"> O primeiro número n para o qual φ (n) = 13! é 6227180929. Encontre o 150.000º número. </section>

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: <code>euler248()</code> deve retornar 23507044290.
    testString: 'assert.strictEqual(euler248(), 23507044290, "<code>euler248()</code> should return 23507044290.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function euler248() {
  // Good luck!
  return true;
}

euler248();

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>