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47387606688 = 253354846767
BaseRepresentation
bin101100001000100001…
…010111111010100000
311112022112010211201000
4230020201113322200
51234022211403223
633434120512000
73265211003502
oct541041277240
9145275124630
1047387606688
1119108083314
12922601b600
13461277aa76
1424177c3d72
151375367543
hexb08857ea0

47387606688 has 48 divisors (see below), whose sum is σ = 138213855360. Its totient is φ = 15795868608.

The previous prime is 47387606657. The next prime is 47387606729. The reversal of 47387606688 is 88660678374.

47387606688 is a `hidden beast` number, since 473 + 87 + 6 + 0 + 6 + 6 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (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, 27422520 + ... + 27424247.

It is an arithmetic number, because the mean of its divisors is an integer number (2879455320).

Almost surely, 247387606688 is an apocalyptic number.

47387606688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47387606688 is an abundant number, since it is smaller than the sum of its proper divisors (90826248672).

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

47387606688 is a wasteful number, since it uses less digits than its factorization.

47387606688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54846786 (or 54846772 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 47387606688 in words is "forty-seven billion, three hundred eighty-seven million, six hundred six thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 54846767 109693534 164540301 219387068 329080602 438774136 493620903 658161204 877548272 987241806 1316322408 1480862709 1755096544 1974483612 2632644816 2961725418 3948967224 5265289632 5923450836 7897934448 11846901672 15795868896 23693803344 47387606688