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1992659216 = 241743170371
BaseRepresentation
bin111011011000101…
…1001000100010000
312010212112120120012
41312301121010100
513040110043331
6525421334052
7100244216042
oct16661310420
95125476505
101992659216
119328933a9
12477407328
13259aa6cc2
1414c907a92
15b9e1282b
hex76c59110

1992659216 has 40 divisors (see below), whose sum is σ = 4182973344. Its totient is φ = 915909120.

The previous prime is 1992659191. The next prime is 1992659239. The reversal of 1992659216 is 6129562991.

It is a super-2 number, since 2×19926592162 = 7941381502219469312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73490 + ... + 96881.

Almost surely, 21992659216 is an apocalyptic number.

1992659216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1992659216 is an abundant number, since it is smaller than the sum of its proper divisors (2190314128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992659216 is a wasteful number, since it uses less digits than its factorization.

1992659216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170439 (or 170433 counting only the distinct ones).

The product of its digits is 524880, while the sum is 50.

The square root of 1992659216 is about 44639.2116417842. The cubic root of 1992659216 is about 1258.3776920618.

The spelling of 1992659216 in words is "one billion, nine hundred ninety-two million, six hundred fifty-nine thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 17 34 43 68 86 136 172 272 344 688 731 1462 2924 5848 11696 170371 340742 681484 1362968 2725936 2896307 5792614 7325953 11585228 14651906 23170456 29303812 46340912 58607624 117215248 124541201 249082402 498164804 996329608 1992659216