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51923099704 = 2372132456887
BaseRepresentation
bin110000010110110110…
…111010000000111000
311222000121110202110211
4300112312322000320
51322314303142304
635504140120504
73515463031300
oct602666720070
9158017422424
1051923099704
1120025266353
12a090b36134
134b86300848
142727ccc600
15153d617204
hexc16dba038

51923099704 has 24 divisors (see below), whose sum is σ = 113250639240. Its totient is φ = 22252756848.

The previous prime is 51923099693. The next prime is 51923099707. The reversal of 51923099704 is 40799032915.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51923099707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66228052 + ... + 66228835.

It is an arithmetic number, because the mean of its divisors is an integer number (4718776635).

Almost surely, 251923099704 is an apocalyptic number.

It is an amenable number.

51923099704 is an abundant number, since it is smaller than the sum of its proper divisors (61327539536).

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

51923099704 is a wasteful number, since it uses less digits than its factorization.

51923099704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132456907 (or 132456896 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 51923099704 in words is "fifty-one billion, nine hundred twenty-three million, ninety-nine thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 132456887 264913774 529827548 927198209 1059655096 1854396418 3708792836 6490387463 7417585672 12980774926 25961549852 51923099704