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51207755704 = 2374214434903
BaseRepresentation
bin101111101100001110…
…000101011110111000
311220011202102111222121
4233230032011132320
51314333141140304
635305143531024
73461655512260
oct575416053670
9156152374877
1051207755704
111a798496866
129b11459a74
134aa104b381
14269acbc7a0
1514ea913554
hexbec3857b8

51207755704 has 64 divisors (see below), whose sum is σ = 110262320640. Its totient is φ = 21840174720.

The previous prime is 51207755671. The next prime is 51207755723. The reversal of 51207755704 is 40755770215.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10441717 + ... + 10446619.

It is an arithmetic number, because the mean of its divisors is an integer number (1722848760).

Almost surely, 251207755704 is an apocalyptic number.

It is an amenable number.

51207755704 is an abundant number, since it is smaller than the sum of its proper divisors (59054564936).

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

51207755704 is a wasteful number, since it uses less digits than its factorization.

51207755704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 43.

The spelling of 51207755704 in words is "fifty-one billion, two hundred seven million, seven hundred fifty-five thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 28 56 421 443 842 886 1684 1772 2947 3101 3368 3544 4903 5894 6202 9806 11788 12404 19612 23576 24808 34321 39224 68642 137284 186503 274568 373006 746012 1305521 1492024 2064163 2172029 2611042 4128326 4344058 5222084 8256652 8688116 10444168 14449141 15204203 16513304 17376232 28898282 30408406 57796564 60816812 115593128 121633624 914424209 1828848418 3657696836 6400969463 7315393672 12801938926 25603877852 51207755704