--- id: 5900f4661000cf542c50ff78 title: 'Problem 250: 250250' challengeType: 5 forumTopicId: 301898 dashedName: problem-250-250250 --- # --description-- Find the number of non-empty subsets of {11, 22, 33,..., 250250250250}, the sum of whose elements is divisible by 250. Enter the rightmost 16 digits as your answer. # --hints-- `euler250()` should return 1425480602091519. ```js assert.strictEqual(euler250(), 1425480602091519); ``` # --seed-- ## --seed-contents-- ```js function euler250() { return true; } euler250(); ``` # --solutions-- ```js // solution required ```