Base | Representation |
---|---|
bin | 11000101011101100… |
… | …01101011100100000 |
3 | 1021012111220121102221 |
4 | 30111312031130200 |
5 | 204114331344042 |
6 | 10030532120424 |
7 | 646245222106 |
oct | 142566153440 |
9 | 37174817387 |
10 | 13251434272 |
11 | 56900a877a |
12 | 2699a66114 |
13 | 13324c718b |
14 | 8d9cd9c76 |
15 | 52856ad67 |
hex | 315d8d720 |
13251434272 has 12 divisors (see below), whose sum is σ = 26088761286. Its totient is φ = 6625717120.
The previous prime is 13251434243. The next prime is 13251434299. The reversal of 13251434272 is 27243415231.
It can be written as a sum of positive squares in only one way, i.e., 11680421776 + 1571012496 = 108076^2 + 39636^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207053629 + ... + 207053692.
Almost surely, 213251434272 is an apocalyptic number.
It is an amenable number.
13251434272 is a deficient number, since it is larger than the sum of its proper divisors (12837327014).
13251434272 is an equidigital number, since it uses as much as digits as its factorization.
13251434272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414107331 (or 414107323 counting only the distinct ones).
The product of its digits is 40320, while the sum is 34.
The spelling of 13251434272 in words is "thirteen billion, two hundred fifty-one million, four hundred thirty-four thousand, two hundred seventy-two".
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