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23664155268 = 223132337397449
BaseRepresentation
bin10110000010011111…
…100101101010000100
32021002012021122100010
4112002133211222010
5341431010432033
614512100550220
71465264000215
oct260237455204
967065248303
1023664155268
11a043887116
1247050b2370
13230185b150
141206bb540c
159377a1863
hex5827e5a84

23664155268 has 192 divisors, whose sum is σ = 64028966400. Its totient is φ = 6744342528.

The previous prime is 23664155233. The next prime is 23664155269. The reversal of 23664155268 is 86255146632.

It is not an unprimeable number, because it can be changed into a prime (23664155269) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52703908 + ... + 52704356.

It is an arithmetic number, because the mean of its divisors is an integer number (333484200).

Almost surely, 223664155268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23664155268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32014483200).

23664155268 is an abundant number, since it is smaller than the sum of its proper divisors (40364811132).

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

23664155268 is a wasteful number, since it uses less digits than its factorization.

23664155268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 924 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 23664155268 in words is "twenty-three billion, six hundred sixty-four million, one hundred fifty-five thousand, two hundred sixty-eight".