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23155305204 = 2232447788561
BaseRepresentation
bin10101100100001010…
…011110101011110100
32012202201210101021110
4111210022132223310
5334410224231304
614345402315020
71446544563303
oct254412365364
965681711243
1023155305204
119902625579
1245a27b8a70
1322502c7a35
14119939843a
15907c8b289
hex56429eaf4

23155305204 has 24 divisors (see below), whose sum is σ = 54051193728. Its totient is φ = 7715271040.

The previous prime is 23155305193. The next prime is 23155305211. The reversal of 23155305204 is 40250355132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364917 + ... + 423644.

It is an arithmetic number, because the mean of its divisors is an integer number (2252133072).

Almost surely, 223155305204 is an apocalyptic number.

It is an amenable number.

23155305204 is an abundant number, since it is smaller than the sum of its proper divisors (30895888524).

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

23155305204 is a wasteful number, since it uses less digits than its factorization.

23155305204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791015 (or 791013 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 23155305204 in words is "twenty-three billion, one hundred fifty-five million, three hundred five thousand, two hundred four".

Divisors: 1 2 3 4 6 12 2447 4894 7341 9788 14682 29364 788561 1577122 2365683 3154244 4731366 9462732 1929608767 3859217534 5788826301 7718435068 11577652602 23155305204