Base | Representation |
---|---|
bin | 10111011010100101… |
… | …11011101101010111 |
3 | 1012110002201221110010 |
4 | 23231102323231113 |
5 | 201221200113233 |
6 | 5435230131303 |
7 | 623344366215 |
oct | 135522735527 |
9 | 35402657403 |
10 | 12571097943 |
11 | 5371069a48 |
12 | 252a050b33 |
13 | 12545810c1 |
14 | 8737ddcb5 |
15 | 4d897eb63 |
hex | 2ed4bbb57 |
12571097943 has 16 divisors (see below), whose sum is σ = 17243066880. Its totient is φ = 8142534336.
The previous prime is 12571097941. The next prime is 12571097951. The reversal of 12571097943 is 34979017521.
It is not a de Polignac number, because 12571097943 - 21 = 12571097941 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12571097892 and 12571097901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12571097941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306073 + ... + 344706.
It is an arithmetic number, because the mean of its divisors is an integer number (1077691680).
Almost surely, 212571097943 is an apocalyptic number.
12571097943 is a deficient number, since it is larger than the sum of its proper divisors (4671968937).
12571097943 is a wasteful number, since it uses less digits than its factorization.
12571097943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650966.
The product of its (nonzero) digits is 476280, while the sum is 48.
The spelling of 12571097943 in words is "twelve billion, five hundred seventy-one million, ninety-seven thousand, nine hundred forty-three".
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