Base | Representation |
---|---|
bin | 10110111011010101… |
… | …11111111111110000 |
3 | 1011202211111112120111 |
4 | 23131222333333300 |
5 | 200202044042004 |
6 | 5353223551104 |
7 | 614012350204 |
oct | 133552777760 |
9 | 34684445514 |
10 | 12308971504 |
11 | 5247103525 |
12 | 24762bb494 |
13 | 1212183cbb |
14 | 84aa88b04 |
15 | 4c0952a04 |
hex | 2ddabfff0 |
12308971504 has 20 divisors (see below), whose sum is σ = 24175328176. Its totient is φ = 6070177152.
The previous prime is 12308971501. The next prime is 12308971511. The reversal of 12308971504 is 40517980321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12308971501) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5268084 + ... + 5270419.
Almost surely, 212308971504 is an apocalyptic number.
It is an amenable number.
12308971504 is a deficient number, since it is larger than the sum of its proper divisors (11866356672).
12308971504 is a wasteful number, since it uses less digits than its factorization.
12308971504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10538584 (or 10538578 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 40.
The spelling of 12308971504 in words is "twelve billion, three hundred eight million, nine hundred seventy-one thousand, five hundred four".
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