Base | Representation |
---|---|
bin | 11000001001111100… |
… | …00011110000111100 |
3 | 1020110210002211120100 |
4 | 30010332003300330 |
5 | 203024334412400 |
6 | 5542455121100 |
7 | 636236360610 |
oct | 140476036074 |
9 | 36423084510 |
10 | 12968279100 |
11 | 555528a037 |
12 | 261b073190 |
13 | 12b894663a |
14 | 8b046d340 |
15 | 50d788100 |
hex | 304f83c3c |
12968279100 has 108 divisors (see below), whose sum is σ = 46455280144. Its totient is φ = 2964176640.
The previous prime is 12968279087. The next prime is 12968279143. The reversal of 12968279100 is 197286921.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1022929 + ... + 1035528.
Almost surely, 212968279100 is an apocalyptic number.
12968279100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12968279100 is an abundant number, since it is smaller than the sum of its proper divisors (33487001044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12968279100 is a wasteful number, since it uses less digits than its factorization.
12968279100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2058484 (or 2058474 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The spelling of 12968279100 in words is "twelve billion, nine hundred sixty-eight million, two hundred seventy-nine thousand, one hundred".
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