Base | Representation |
---|---|
bin | 10111001001111001… |
… | …11110011000101101 |
3 | 1012002100100112022111 |
4 | 23210330332120231 |
5 | 200424331432023 |
6 | 5413310044021 |
7 | 620024545030 |
oct | 134474763055 |
9 | 35070315274 |
10 | 12431124013 |
11 | 52aa055510 |
12 | 24ab1a9611 |
13 | 12315828a9 |
14 | 85cda5017 |
15 | 4cb53100d |
hex | 2e4f3e62d |
12431124013 has 32 divisors (see below), whose sum is σ = 16453082880. Its totient is φ = 9092981760.
The previous prime is 12431123989. The next prime is 12431124089. The reversal of 12431124013 is 31042113421.
It is not a de Polignac number, because 12431124013 - 225 = 12397569581 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12431122013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496995 + ... + 521407.
It is an arithmetic number, because the mean of its divisors is an integer number (514158840).
Almost surely, 212431124013 is an apocalyptic number.
It is an amenable number.
12431124013 is a deficient number, since it is larger than the sum of its proper divisors (4021958867).
12431124013 is a wasteful number, since it uses less digits than its factorization.
12431124013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24837.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 12431124013 its reverse (31042113421), we get a palindrome (43473237434).
The spelling of 12431124013 in words is "twelve billion, four hundred thirty-one million, one hundred twenty-four thousand, thirteen".
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