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52881015936 = 273719672997
BaseRepresentation
bin110001001111111101…
…000100010010000000
312001111100221221111210
4301033331010102000
51331300020002221
640143155410120
73551304135060
oct611775042200
9161440857453
1052881015936
1120476a55a61
12a2b98b3940
134ca98c4898
1427b92033a0
151597784276
hexc4ff44480

52881015936 has 64 divisors (see below), whose sum is σ = 160531663680. Its totient is φ = 15108860928.

The previous prime is 52881015899. The next prime is 52881015977. The reversal of 52881015936 is 63951018825.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9833811 + ... + 9839186.

It is an arithmetic number, because the mean of its divisors is an integer number (2508307245).

Almost surely, 252881015936 is an apocalyptic number.

52881015936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52881015936 is an abundant number, since it is smaller than the sum of its proper divisors (107650647744).

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

52881015936 is a wasteful number, since it uses less digits than its factorization.

52881015936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19673021 (or 19673009 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 52881015936 in words is "fifty-two billion, eight hundred eighty-one million, fifteen thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 19672997 39345994 59018991 78691988 118037982 137710979 157383976 236075964 275421958 314767952 413132937 472151928 550843916 629535904 826265874 944303856 1101687832 1259071808 1652531748 1888607712 2203375664 2518143616 3305063496 3777215424 4406751328 6610126992 7554430848 8813502656 13220253984 17627005312 26440507968 52881015936