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23065378992 = 2433388913729
BaseRepresentation
bin10101011110110011…
…011100000010110000
32012112110120122201000
4111132303130002300
5334214214111432
614332431042000
71444403325615
oct253663340260
965473518630
1023065378992
119866894697
124578670300
1322377a0566
14118b46a50c
158eee2657c
hex55ecdc0b0

23065378992 has 80 divisors (see below), whose sum is σ = 66228028000. Its totient is φ = 7685922816.

The previous prime is 23065378943. The next prime is 23065378997. The reversal of 23065378992 is 29987356032.

It is a happy number.

23065378992 is a `hidden beast` number, since 23 + 0 + 6 + 537 + 89 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (23065378997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1673184 + ... + 1686912.

It is an arithmetic number, because the mean of its divisors is an integer number (827850350).

Almost surely, 223065378992 is an apocalyptic number.

It is an amenable number.

23065378992 is an abundant number, since it is smaller than the sum of its proper divisors (43162649008).

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

23065378992 is a wasteful number, since it uses less digits than its factorization.

23065378992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17635 (or 17623 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 23065378992 in words is "twenty-three billion, sixty-five million, three hundred seventy-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 3889 7778 11667 13729 15556 23334 27458 31112 35001 41187 46668 54916 62224 70002 82374 93336 105003 109832 123561 140004 164748 186672 210006 219664 247122 280008 329496 370683 420012 494244 560016 658992 741366 840024 988488 1482732 1680048 1976976 2965464 5930928 53392081 106784162 160176243 213568324 320352486 427136648 480528729 640704972 854273296 961057458 1281409944 1441586187 1922114916 2562819888 2883172374 3844229832 5766344748 7688459664 11532689496 23065378992