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51063881472 = 283222163143
BaseRepresentation
bin101111100011101001…
…001111111100000000
311212210201200221122100
4233203221033330000
51314034323201342
635243004110400
73455260555002
oct574351177400
9155721627570
1051063881472
111a724258a3a
129a91235400
134a7a2b57a6
142685b4a372
1514dce93e4c
hexbe3a4ff00

51063881472 has 54 divisors (see below), whose sum is σ = 147229765592. Its totient is φ = 17021293056.

The previous prime is 51063881467. The next prime is 51063881501. The reversal of 51063881472 is 27418836015.

51063881472 is a `hidden beast` number, since 5 + 1 + 0 + 638 + 8 + 1 + 4 + 7 + 2 = 666.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 11079268 + ... + 11083875.

Almost surely, 251063881472 is an apocalyptic number.

It is an amenable number.

51063881472 is an abundant number, since it is smaller than the sum of its proper divisors (96165884120).

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

51063881472 is a wasteful number, since it uses less digits than its factorization.

51063881472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22163165 (or 22163148 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 51063881472 in words is "fifty-one billion, sixty-three million, eight hundred eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 22163143 44326286 66489429 88652572 132978858 177305144 199468287 265957716 354610288 398936574 531915432 709220576 797873148 1063830864 1418441152 1595746296 2127661728 2836882304 3191492592 4255323456 5673764608 6382985184 8510646912 12765970368 17021293824 25531940736 51063881472