Base | Representation |
---|---|
bin | 11000101011101100… |
… | …01011110100111001 |
3 | 1021012111220021100100 |
4 | 30111312023310321 |
5 | 204114331141031 |
6 | 10030532030013 |
7 | 646245163554 |
oct | 142566136471 |
9 | 37174807310 |
10 | 13251427641 |
11 | 56900a37a1 |
12 | 2699a62309 |
13 | 13324c415a |
14 | 8d9cd769b |
15 | 528568de6 |
hex | 315d8bd39 |
13251427641 has 24 divisors (see below), whose sum is σ = 19698554304. Its totient is φ = 8577908640.
The previous prime is 13251427633. The next prime is 13251427703. The reversal of 13251427641 is 14672415231.
13251427641 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 1 + 4 + 2 + 7 + 641 = 666.
It is not a de Polignac number, because 13251427641 - 23 = 13251427633 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13251427596 and 13251427605.
It is not an unprimeable number, because it can be changed into a prime (13251427601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122980 + ... + 204026.
It is an arithmetic number, because the mean of its divisors is an integer number (820773096).
Almost surely, 213251427641 is an apocalyptic number.
It is an amenable number.
13251427641 is a deficient number, since it is larger than the sum of its proper divisors (6447126663).
13251427641 is a wasteful number, since it uses less digits than its factorization.
13251427641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81581 (or 81578 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The spelling of 13251427641 in words is "thirteen billion, two hundred fifty-one million, four hundred twenty-seven thousand, six hundred forty-one".
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