Base | Representation |
---|---|
bin | 10111100100110110… |
… | …01011001110111011 |
3 | 1012200002122120111101 |
4 | 23302123023032323 |
5 | 201410212113023 |
6 | 5451542312231 |
7 | 625440645454 |
oct | 136233131673 |
9 | 35602576441 |
10 | 12657144763 |
11 | 54056a021a |
12 | 2552a28677 |
13 | 126934a893 |
14 | 880ddc12b |
15 | 4e12ca1ad |
hex | 2f26cb3bb |
12657144763 has 2 divisors, whose sum is σ = 12657144764. Its totient is φ = 12657144762.
The previous prime is 12657144761. The next prime is 12657144781. The reversal of 12657144763 is 36744175621.
It is a weak prime.
It is an emirp because it is prime and its reverse (36744175621) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12657144763 - 21 = 12657144761 is a prime.
Together with 12657144761, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (12657144761) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328572381 + 6328572382.
It is an arithmetic number, because the mean of its divisors is an integer number (6328572382).
Almost surely, 212657144763 is an apocalyptic number.
12657144763 is a deficient number, since it is larger than the sum of its proper divisors (1).
12657144763 is an equidigital number, since it uses as much as digits as its factorization.
12657144763 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 846720, while the sum is 46.
The spelling of 12657144763 in words is "twelve billion, six hundred fifty-seven million, one hundred forty-four thousand, seven hundred sixty-three".
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