---
id: 5900f4661000cf542c50ff78
title: 'Problem 250: 250250'
challengeType: 5
forumTopicId: 301898
dashedName: problem-250-250250
---

# --description--

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.

# --hints--

`twoHundredFifty()` should return `1425480602091519`.

```js
assert.strictEqual(twoHundredFifty(), 1425480602091519);
```

# --seed--

## --seed-contents--

```js
function twoHundredFifty() {

  return true;
}

twoHundredFifty();
```

# --solutions--

```js
// solution required
```