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23994918708 = 2231999576559
BaseRepresentation
bin10110010110001101…
…010110011100110100
32021221020200011110220
4112112031112130310
5343120144344313
615004554214340
71506421305135
oct262615263464
967836604426
1023994918708
11a1a3562632
124797a243b0
13235523a567
141238ab5c8c
1595683a823
hex596356734

23994918708 has 12 divisors (see below), whose sum is σ = 55988143680. Its totient is φ = 7998306232.

The previous prime is 23994918697. The next prime is 23994918709. The reversal of 23994918708 is 80781949932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×239949187082 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23994918709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999788268 + ... + 999788291.

It is an arithmetic number, because the mean of its divisors is an integer number (4665678640).

Almost surely, 223994918708 is an apocalyptic number.

It is an amenable number.

23994918708 is an abundant number, since it is smaller than the sum of its proper divisors (31993224972).

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

23994918708 is a wasteful number, since it uses less digits than its factorization.

23994918708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999576566 (or 1999576564 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 23994918708 in words is "twenty-three billion, nine hundred ninety-four million, nine hundred eighteen thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 1999576559 3999153118 5998729677 7998306236 11997459354 23994918708