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23256870912 = 212321183691
BaseRepresentation
bin10101101010001101…
…111011000000000000
32020000210220110020100
4111222031323000000
5340112224332122
614403431242400
71452220066242
oct255215730000
966023813210
1023256870912
119954996380
124610819400
1322683690a2
1411a8a76092
15911b4eaac
hex56a37b000

23256870912 has 312 divisors, whose sum is σ = 74275725888. Its totient is φ = 6952550400.

The previous prime is 23256870883. The next prime is 23256870937. The reversal of 23256870912 is 21907865232.

23256870912 is a `hidden beast` number, since 2 + 3 + 2 + 568 + 70 + 9 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33656487 + ... + 33657177.

It is an arithmetic number, because the mean of its divisors is an integer number (238063224).

Almost surely, 223256870912 is an apocalyptic number.

23256870912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23256870912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37137862944).

23256870912 is an abundant number, since it is smaller than the sum of its proper divisors (51018854976).

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

23256870912 is a wasteful number, since it uses less digits than its factorization.

23256870912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 23256870912 in words is "twenty-three billion, two hundred fifty-six million, eight hundred seventy thousand, nine hundred twelve".