Base | Representation |
---|---|
bin | 10111100110001100… |
… | …00000011000101101 |
3 | 1012200212210000002102 |
4 | 23303012000120231 |
5 | 201421100410100 |
6 | 5453023104445 |
7 | 625635250454 |
oct | 136306003055 |
9 | 35625700072 |
10 | 12668372525 |
11 | 5410a69866 |
12 | 2556742125 |
13 | 126b77c223 |
14 | 8826c1b9b |
15 | 4e2296cd5 |
hex | 2f318062d |
12668372525 has 12 divisors (see below), whose sum is σ = 15714312672. Its totient is φ = 10131129840.
The previous prime is 12668372503. The next prime is 12668372537. The reversal of 12668372525 is 52527386621.
It is not a de Polignac number, because 12668372525 - 218 = 12668110381 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12668372525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15587 + ... + 159936.
It is an arithmetic number, because the mean of its divisors is an integer number (1309526056).
Almost surely, 212668372525 is an apocalyptic number.
It is an amenable number.
12668372525 is a deficient number, since it is larger than the sum of its proper divisors (3045940147).
12668372525 is a wasteful number, since it uses less digits than its factorization.
12668372525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178420 (or 178415 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 47.
The spelling of 12668372525 in words is "twelve billion, six hundred sixty-eight million, three hundred seventy-two thousand, five hundred twenty-five".
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