Base | Representation |
---|---|
bin | 10111100011110111… |
… | …10110100010111000 |
3 | 1012122112012101211202 |
4 | 23301323312202320 |
5 | 201401111333220 |
6 | 5451050313332 |
7 | 625311106214 |
oct | 136173664270 |
9 | 35575171752 |
10 | 12648933560 |
11 | 5400aa1aaa |
12 | 2550128848 |
13 | 1267734293 |
14 | 87dca1944 |
15 | 4e0707275 |
hex | 2f1ef68b8 |
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".
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