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23578002468 = 22326471012279
BaseRepresentation
bin10101111101010110…
…111100010000100100
32020212012011121220200
4111331112330100210
5341241432034333
614455342230500
71463166466656
oct257526742044
966765147820
1023578002468
119aaa193259
1246a0285430
1322b9a55367
1411d958a6d6
1592ee34c13
hex57d5bc424

23578002468 has 36 divisors (see below), whose sum is σ = 59692127040. Its totient is φ = 7847179056.

The previous prime is 23578002451. The next prime is 23578002479. The reversal of 23578002468 is 86420087532.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482848 + ... + 529431.

It is an arithmetic number, because the mean of its divisors is an integer number (1658114640).

Almost surely, 223578002468 is an apocalyptic number.

It is an amenable number.

23578002468 is an abundant number, since it is smaller than the sum of its proper divisors (36114124572).

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

23578002468 is a wasteful number, since it uses less digits than its factorization.

23578002468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012936 (or 1012931 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 23578002468 in words is "twenty-three billion, five hundred seventy-eight million, two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 647 1294 1941 2588 3882 5823 7764 11646 23292 1012279 2024558 3036837 4049116 6073674 9110511 12147348 18221022 36442044 654944513 1309889026 1964833539 2619778052 3929667078 5894500617 7859334156 11789001234 23578002468