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23923261456 = 241978694939
BaseRepresentation
bin10110010001111100…
…000000000000010000
32021202020211121012121
4112101330000000100
5342443323331311
614553514304024
71504561236643
oct262174000020
967666747177
1023923261456
11a16706a466
124777a28014
13234343b613
14122d381a5a
159503d3b71
hex591f00010

23923261456 has 20 divisors (see below), whose sum is σ = 48790862800. Its totient is φ = 11332071072.

The previous prime is 23923261337. The next prime is 23923261457. The reversal of 23923261456 is 65416232932.

It is not an unprimeable number, because it can be changed into a prime (23923261457) 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, 39347166 + ... + 39347773.

It is an arithmetic number, because the mean of its divisors is an integer number (2439543140).

Almost surely, 223923261456 is an apocalyptic number.

It is an amenable number.

23923261456 is an abundant number, since it is smaller than the sum of its proper divisors (24867601344).

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

23923261456 is a wasteful number, since it uses less digits than its factorization.

23923261456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78694966 (or 78694960 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The spelling of 23923261456 in words is "twenty-three billion, nine hundred twenty-three million, two hundred sixty-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 19 38 76 152 304 78694939 157389878 314779756 629559512 1259119024 1495203841 2990407682 5980815364 11961630728 23923261456