Base | Representation |
---|---|
bin | 10111101110010010… |
… | …11111011010110000 |
3 | 1012212121202220021200 |
4 | 23313021133122300 |
5 | 202041004114203 |
6 | 5503453051200 |
7 | 630422366505 |
oct | 136711373260 |
9 | 35777686250 |
10 | 12736394928 |
11 | 54463aa024 |
12 | 2575486b00 |
13 | 127c8a787a |
14 | 88b74b4ac |
15 | 4e82319a3 |
hex | 2f725f6b0 |
12736394928 has 60 divisors (see below), whose sum is σ = 36873339360. Its totient is φ = 4099068288.
The previous prime is 12736394921. The next prime is 12736394941. The reversal of 12736394928 is 82949363721.
It is not an unprimeable number, because it can be changed into a prime (12736394921) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520776 + ... + 1529127.
It is an arithmetic number, because the mean of its divisors is an integer number (614555656).
Almost surely, 212736394928 is an apocalyptic number.
12736394928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12736394928 is an abundant number, since it is smaller than the sum of its proper divisors (24136944432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12736394928 is a wasteful number, since it uses less digits than its factorization.
12736394928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3049946 (or 3049937 counting only the distinct ones).
The product of its digits is 3919104, while the sum is 54.
The spelling of 12736394928 in words is "twelve billion, seven hundred thirty-six million, three hundred ninety-four thousand, nine hundred twenty-eight".
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