Base | Representation |
---|---|
bin | 10111101010111111… |
… | …00111010111101000 |
3 | 1012210200112210222222 |
4 | 23311133213113220 |
5 | 202011402441412 |
6 | 5501022133212 |
7 | 626634442151 |
oct | 136537472750 |
9 | 35720483888 |
10 | 12708640232 |
11 | 5431772562 |
12 | 2568121208 |
13 | 1276c0a882 |
14 | 887ba4928 |
15 | 4e5a9d072 |
hex | 2f57e75e8 |
12708640232 has 16 divisors (see below), whose sum is σ = 23878454400. Its totient is φ = 6341052400.
The previous prime is 12708640211. The next prime is 12708640237. The reversal of 12708640232 is 23204680721.
It is a super-3 number, since 3×127086402323 (a number of 31 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12708640192 and 12708640201.
It is not an unprimeable number, because it can be changed into a prime (12708640237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654394 + ... + 1662057.
It is an arithmetic number, because the mean of its divisors is an integer number (1492403400).
Almost surely, 212708640232 is an apocalyptic number.
It is an amenable number.
12708640232 is a deficient number, since it is larger than the sum of its proper divisors (11169814168).
12708640232 is a wasteful number, since it uses less digits than its factorization.
12708640232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3316936 (or 3316932 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 35.
The spelling of 12708640232 in words is "twelve billion, seven hundred eight million, six hundred forty thousand, two hundred thirty-two".
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