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51938267192 = 237927469057
BaseRepresentation
bin110000010111110000…
…110001000000111000
311222001200000100100122
4300113300301000320
51322332144022232
635505441152412
73516035662340
oct602760610070
9158050010318
1051938267192
1120032885969
12a09602b708
134b894b14a6
142729d19d20
15153eb11312
hexc17c31038

51938267192 has 16 divisors (see below), whose sum is σ = 111296286960. Its totient is φ = 22259257344.

The previous prime is 51938267189. The next prime is 51938267219. The reversal of 51938267192 is 29176283915.

It is a congruent number.

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, 463734473 + ... + 463734584.

It is an arithmetic number, because the mean of its divisors is an integer number (6956017935).

Almost surely, 251938267192 is an apocalyptic number.

It is an amenable number.

51938267192 is an abundant number, since it is smaller than the sum of its proper divisors (59358019768).

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

51938267192 is a wasteful number, since it uses less digits than its factorization.

51938267192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927469070 (or 927469066 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 53.

The spelling of 51938267192 in words is "fifty-one billion, nine hundred thirty-eight million, two hundred sixty-seven thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 927469057 1854938114 3709876228 6492283399 7419752456 12984566798 25969133596 51938267192