Base | Representation |
---|---|
bin | 1011011111010000100000… |
… | …1010000111110101010110 |
3 | 1122201120110102001122212002 |
4 | 2313310020022013311112 |
5 | 3123424042214020130 |
6 | 42510520542555302 |
7 | 2442414464540246 |
oct | 267641012076526 |
9 | 48646412048762 |
10 | 12631635688790 |
11 | 4030057049648 |
12 | 1500119298b32 |
13 | 708209562371 |
14 | 319535611b26 |
15 | 16d8a02b5b45 |
hex | b7d08287d56 |
12631635688790 has 16 divisors (see below), whose sum is σ = 22737103719120. Its totient is φ = 5052618835680.
The previous prime is 12631635688681. The next prime is 12631635688807. The reversal of 12631635688790 is 9788653613621.
12631635688790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908100 + ... + 5806919.
It is an arithmetic number, because the mean of its divisors is an integer number (1421068982445).
Almost surely, 212631635688790 is an apocalyptic number.
12631635688790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12631635688790 is a deficient number, since it is larger than the sum of its proper divisors (10105468030330).
12631635688790 is a wasteful number, since it uses less digits than its factorization.
12631635688790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8859967.
The product of its (nonzero) digits is 78382080, while the sum is 65.
The spelling of 12631635688790 in words is "twelve trillion, six hundred thirty-one billion, six hundred thirty-five million, six hundred eighty-eight thousand, seven hundred ninety".
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