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51336771712 = 272391678111
BaseRepresentation
bin101111110011111010…
…001111100010000000
311220111202012012200021
4233303322033202000
51320114203143322
635330033103224
73465113234242
oct576372174200
9156452165607
1051336771712
111a8542a6466
129b486b7b14
134ac19b0cc5
1426b00a4092
151506dea4c7
hexbf3e8f880

51336771712 has 32 divisors (see below), whose sum is σ = 102700454400. Its totient is φ = 25560971520.

The previous prime is 51336771701. The next prime is 51336771737. The reversal of 51336771712 is 21717763315.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808464 + ... + 869647.

It is an arithmetic number, because the mean of its divisors is an integer number (3209389200).

Almost surely, 251336771712 is an apocalyptic number.

It is an amenable number.

51336771712 is an abundant number, since it is smaller than the sum of its proper divisors (51363682688).

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

51336771712 is a wasteful number, since it uses less digits than its factorization.

51336771712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678364 (or 1678352 counting only the distinct ones).

The product of its digits is 185220, while the sum is 43.

The spelling of 51336771712 in words is "fifty-one billion, three hundred thirty-six million, seven hundred seventy-one thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 239 478 956 1912 3824 7648 15296 30592 1678111 3356222 6712444 13424888 26849776 53699552 107399104 214798208 401068529 802137058 1604274116 3208548232 6417096464 12834192928 25668385856 51336771712