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51081353276 = 2222756256997
BaseRepresentation
bin101111100100101011…
…111001100000111100
311212211221120121110012
4233210223321200330
51314103311301101
635244430402352
73455562224132
oct574453714074
9155757517405
1051081353276
111a733101848
129a970603b8
134a80ac2235
1426881b7752
1514de795bbb
hexbe4af983c

51081353276 has 12 divisors (see below), whose sum is σ = 89786168808. Its totient is φ = 25428162192.

The previous prime is 51081353249. The next prime is 51081353299. The reversal of 51081353276 is 67235318015.

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, 28127591 + ... + 28129406.

It is an arithmetic number, because the mean of its divisors is an integer number (7482180734).

Almost surely, 251081353276 is an apocalyptic number.

It is an amenable number.

51081353276 is a deficient number, since it is larger than the sum of its proper divisors (38704815532).

51081353276 is a wasteful number, since it uses less digits than its factorization.

51081353276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56257228 (or 56257226 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 51081353276 in words is "fifty-one billion, eighty-one million, three hundred fifty-three thousand, two hundred seventy-six".

Divisors: 1 2 4 227 454 908 56256997 112513994 225027988 12770338319 25540676638 51081353276