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23120022032 = 241785000081
BaseRepresentation
bin10101100010000011…
…111000101000010000
32012200021101210212022
4111202003320220100
5334322211201112
614342102151012
71445635642022
oct254203705020
965607353768
1023120022032
119894716828
124592a22468
132245bc3113
141194812012
15904b1bd72
hex5620f8a10

23120022032 has 20 divisors (see below), whose sum is σ = 47430045756. Its totient is φ = 10880010240.

The previous prime is 23120022011. The next prime is 23120022097. The reversal of 23120022032 is 23022002132.

It can be written as a sum of positive squares in 2 ways, for example, as 18731754496 + 4388267536 = 136864^2 + 66244^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 23120022032.

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 3 ways as a sum of consecutive naturals, for example, 42499769 + ... + 42500312.

Almost surely, 223120022032 is an apocalyptic number.

It is an amenable number.

23120022032 is an abundant number, since it is smaller than the sum of its proper divisors (24310023724).

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

23120022032 is a wasteful number, since it uses less digits than its factorization.

23120022032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85000106 (or 85000100 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23120022032 its reverse (23022002132), we get a palindrome (46142024164).

The spelling of 23120022032 in words is "twenty-three billion, one hundred twenty million, twenty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 85000081 170000162 340000324 680000648 1360001296 1445001377 2890002754 5780005508 11560011016 23120022032