freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-250-250250.md

---
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
```