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28672372536 = 2331194682189
BaseRepresentation
bin11010101101000000…
…011010111100111000
32202000020010102212120
4122231000122330320
5432210111410121
621101044241240
72033346100563
oct325500327470
982006112776
1028672372536
1111183896955
1256823a0220
13291c306012
14155ddb54da
15b2c2ccbc6
hex6ad01af38

28672372536 has 16 divisors (see below), whose sum is σ = 71680931400. Its totient is φ = 9557457504.

The previous prime is 28672372481. The next prime is 28672372537. The reversal of 28672372536 is 63527327682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28672372537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597341071 + ... + 597341118.

Almost surely, 228672372536 is an apocalyptic number.

It is an amenable number.

28672372536 is an abundant number, since it is smaller than the sum of its proper divisors (43008558864).

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

28672372536 is a wasteful number, since it uses less digits than its factorization.

28672372536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194682198 (or 1194682194 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 28672372536 in words is "twenty-eight billion, six hundred seventy-two million, three hundred seventy-two thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 1194682189 2389364378 3584046567 4778728756 7168093134 9557457512 14336186268 28672372536