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916020990356 = 2217210128012
BaseRepresentation
bin11010101010001110001…
…10110001000110010100
310020120102002002201101112
431111013012301012110
5110002002333142411
61540451512514152
7123115565643143
oct15250706610624
93216362081345
10916020990356
11323533a71a9a
121296456ab958
13684c39b1464
143249b05d75a
1518c63cbbb8b
hexd5471b1194

916020990356 has 54 divisors (see below), whose sum is σ = 1720354240794. Its totient is φ = 426648320000.

The previous prime is 916020990341. The next prime is 916020990359. The reversal of 916020990356 is 653099020619.

It can be written as a sum of positive squares in 9 ways, for example, as 38370541456 + 877650448900 = 195884^2 + 936830^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916020990359) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 327032156 + ... + 327034956.

Almost surely, 2916020990356 is an apocalyptic number.

It is an amenable number.

916020990356 is a deficient number, since it is larger than the sum of its proper divisors (804333250438).

916020990356 is a wasteful number, since it uses less digits than its factorization.

916020990356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 2921 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 916020990356 in words is "nine hundred sixteen billion, twenty million, nine hundred ninety thousand, three hundred fifty-six".

Divisors: 1 2 4 17 34 68 101 202 289 404 578 1156 1717 2801 3434 5602 6868 11204 29189 47617 58378 95234 116756 190468 282901 565802 809489 1131604 1618978 3237956 4809317 7845601 9618634 15691202 19237268 31382404 81758389 133375217 163516778 266750434 327033556 533500868 792405701 1584811402 2267378689 3169622804 4534757378 9069514756 13470896917 26941793834 53883587668 229005247589 458010495178 916020990356