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23051945864 = 236317456149
BaseRepresentation
bin10101011110000000…
…001100011110001000
32012111112022011220202
4111132000030132020
5334202244231424
614331231111332
71444151210153
oct253600143610
965445264822
1023051945864
11985a24a132
124574072548
132234a7916c
141189770c9a
158edb712ae
hex55e00c788

23051945864 has 16 divisors (see below), whose sum is σ = 43229335500. Its totient is φ = 11524123072.

The previous prime is 23051945789. The next prime is 23051945887. The reversal of 23051945864 is 46854915032.

It can be written as a sum of positive squares in 2 ways, for example, as 21788712100 + 1263233764 = 147610^2 + 35542^2 .

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, 177539 + ... + 278610.

Almost surely, 223051945864 is an apocalyptic number.

It is an amenable number.

23051945864 is a deficient number, since it is larger than the sum of its proper divisors (20177389636).

23051945864 is a wasteful number, since it uses less digits than its factorization.

23051945864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462472 (or 462468 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 23051945864 in words is "twenty-three billion, fifty-one million, nine hundred forty-five thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 6317 12634 25268 50536 456149 912298 1824596 3649192 2881493233 5762986466 11525972932 23051945864