Base | Representation |
---|---|
bin | 10111100010000110… |
… | …11000101111110010 |
3 | 1012121111100101011011 |
4 | 23301003120233302 |
5 | 201333314201232 |
6 | 5445401141134 |
7 | 625041226312 |
oct | 136103305762 |
9 | 35544311134 |
10 | 12634131442 |
11 | 53a3701a49 |
12 | 254718a7aa |
13 | 1264650a2a |
14 | 87bd2b442 |
15 | 4de281547 |
hex | 2f10d8bf2 |
12634131442 has 16 divisors (see below), whose sum is σ = 19302073632. Its totient is φ = 6200773920.
The previous prime is 12634131421. The next prime is 12634131457. The reversal of 12634131442 is 24413143621.
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, 128659 + ... + 204502.
It is an arithmetic number, because the mean of its divisors is an integer number (1206379602).
Almost surely, 212634131442 is an apocalyptic number.
12634131442 is a deficient number, since it is larger than the sum of its proper divisors (6667942190).
12634131442 is a wasteful number, since it uses less digits than its factorization.
12634131442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333513.
The product of its digits is 13824, while the sum is 31.
The spelling of 12634131442 in words is "twelve billion, six hundred thirty-four million, one hundred thirty-one thousand, four hundred forty-two".
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