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23036878864 = 241489966961
BaseRepresentation
bin10101011101000110…
…101110000000010000
32012110110221200212201
4111131012232000100
5334134420110424
614325532132544
71443606145066
oct253506560020
965413850781
1023036878864
11985179906a
12456b007154
13223190218c
14118776c036
158ec696d44
hex55d1ae010

23036878864 has 20 divisors (see below), whose sum is σ = 44663974780. Its totient is φ = 11510691840.

The previous prime is 23036878849. The next prime is 23036879003. The reversal of 23036878864 is 46887863032.

It can be written as a sum of positive squares in 2 ways, for example, as 15099494400 + 7937384464 = 122880^2 + 89092^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459657 + ... + 507304.

It is an arithmetic number, because the mean of its divisors is an integer number (2233198739).

Almost surely, 223036878864 is an apocalyptic number.

It is an amenable number.

23036878864 is a deficient number, since it is larger than the sum of its proper divisors (21627095916).

23036878864 is a wasteful number, since it uses less digits than its factorization.

23036878864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968458 (or 968452 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 23036878864 in words is "twenty-three billion, thirty-six million, eight hundred seventy-eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 1489 2978 5956 11912 23824 966961 1933922 3867844 7735688 15471376 1439804929 2879609858 5759219716 11518439432 23036878864