Base | Representation |
---|---|
bin | 11000001010100010… |
… | …11110010011001101 |
3 | 1020111010200101221120 |
4 | 30011101132103031 |
5 | 203032140243100 |
6 | 5543200151153 |
7 | 636330545565 |
oct | 140521362315 |
9 | 36433611846 |
10 | 12973368525 |
11 | 5558145877 |
12 | 26209084b9 |
13 | 12b9a09030 |
14 | 8b0dd5da5 |
15 | 50de410a0 |
hex | 30545e4cd |
12973368525 has 48 divisors (see below), whose sum is σ = 24458059584. Its totient is φ = 6011182080.
The previous prime is 12973368517. The next prime is 12973368547. The reversal of 12973368525 is 52586337921.
It is not a de Polignac number, because 12973368525 - 23 = 12973368517 is a prime.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374779 + ... + 407928.
It is an arithmetic number, because the mean of its divisors is an integer number (509542908).
Almost surely, 212973368525 is an apocalyptic number.
12973368525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12973368525 is a deficient number, since it is larger than the sum of its proper divisors (11484691059).
12973368525 is a wasteful number, since it uses less digits than its factorization.
12973368525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 782750 (or 782745 counting only the distinct ones).
The product of its digits is 2721600, while the sum is 51.
The spelling of 12973368525 in words is "twelve billion, nine hundred seventy-three million, three hundred sixty-eight thousand, five hundred twenty-five".
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