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12648933560 = 235316223339
BaseRepresentation
bin10111100011110111…
…10110100010111000
31012122112012101211202
423301323312202320
5201401111333220
65451050313332
7625311106214
oct136173664270
935575171752
1012648933560
115400aa1aaa
122550128848
131267734293
1487dca1944
154e0707275
hex2f1ef68b8

12648933560 has 16 divisors (see below), whose sum is σ = 28460100600. Its totient is φ = 5059573408.

The previous prime is 12648933533. The next prime is 12648933581. The reversal of 12648933560 is 6533984621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158111630 + ... + 158111709.

Almost surely, 212648933560 is an apocalyptic number.

12648933560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12648933560 is an abundant number, since it is smaller than the sum of its proper divisors (15811167040).

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

12648933560 is a wasteful number, since it uses less digits than its factorization.

12648933560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316223350 (or 316223346 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 12648933560 in words is "twelve billion, six hundred forty-eight million, nine hundred thirty-three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 316223339 632446678 1264893356 1581116695 2529786712 3162233390 6324466780 12648933560