Base | Representation |
---|---|
bin | 10110101111010010… |
… | …10011110010111111 |
3 | 1011111210020210120000 |
4 | 23113221103302333 |
5 | 200000203140043 |
6 | 5335212525343 |
7 | 611344066134 |
oct | 132751236277 |
9 | 34453223500 |
10 | 12207865023 |
11 | 51a5026752 |
12 | 2448480853 |
13 | 11c7243993 |
14 | 83b48a58b |
15 | 4b6b302d3 |
hex | 2d7a53cbf |
12207865023 has 40 divisors (see below), whose sum is σ = 18860666880. Its totient is φ = 7864393680.
The previous prime is 12207865001. The next prime is 12207865039. The reversal of 12207865023 is 32056870221.
It is not a de Polignac number, because 12207865023 - 222 = 12203670719 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12207865073) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280458 + ... + 321048.
It is an arithmetic number, because the mean of its divisors is an integer number (471516672).
Almost surely, 212207865023 is an apocalyptic number.
12207865023 is a deficient number, since it is larger than the sum of its proper divisors (6652801857).
12207865023 is an equidigital number, since it uses as much as digits as its factorization.
12207865023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40729 (or 40720 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 12207865023 in words is "twelve billion, two hundred seven million, eight hundred sixty-five thousand, twenty-three".
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