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52387072872 = 2332718054593
BaseRepresentation
bin110000110010100000…
…110100101101101000
312000012221112001000020
4300302200310231220
51324242042312442
640022152440440
73533125525611
oct606240645550
9160187461006
1052387072872
1120243156252
12a1a03a9120
134c2b480694
14276d786c08
1515692159ec
hexc32834b68

52387072872 has 32 divisors (see below), whose sum is σ = 131450974080. Its totient is φ = 17397918720.

The previous prime is 52387072867. The next prime is 52387072901. The reversal of 52387072872 is 27827078325.

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, 4020793 + ... + 4033800.

It is an arithmetic number, because the mean of its divisors is an integer number (4107842940).

Almost surely, 252387072872 is an apocalyptic number.

It is an amenable number.

52387072872 is an abundant number, since it is smaller than the sum of its proper divisors (79063901208).

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

52387072872 is a wasteful number, since it uses less digits than its factorization.

52387072872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054873 (or 8054869 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 52387072872 in words is "fifty-two billion, three hundred eighty-seven million, seventy-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 271 542 813 1084 1626 2168 3252 6504 8054593 16109186 24163779 32218372 48327558 64436744 96655116 193310232 2182794703 4365589406 6548384109 8731178812 13096768218 17462357624 26193536436 52387072872