Base | Representation |
---|---|
bin | 10110101001111111… |
… | …10110100011101111 |
3 | 1011101200122220220012 |
4 | 23110333312203233 |
5 | 144402320133202 |
6 | 5330544443435 |
7 | 610264362506 |
oct | 132477664357 |
9 | 34350586805 |
10 | 12163442927 |
11 | 5181a45779 |
12 | 243561957b |
13 | 11bac8c40c |
14 | 83560583d |
15 | 4b2ca8152 |
hex | 2d4ff68ef |
12163442927 has 2 divisors, whose sum is σ = 12163442928. Its totient is φ = 12163442926.
The previous prime is 12163442909. The next prime is 12163442953. The reversal of 12163442927 is 72924436121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12163442927 - 224 = 12146665711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12163442957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081721463 + 6081721464.
It is an arithmetic number, because the mean of its divisors is an integer number (6081721464).
Almost surely, 212163442927 is an apocalyptic number.
12163442927 is a deficient number, since it is larger than the sum of its proper divisors (1).
12163442927 is an equidigital number, since it uses as much as digits as its factorization.
12163442927 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 145152, while the sum is 41.
The spelling of 12163442927 in words is "twelve billion, one hundred sixty-three million, four hundred forty-two thousand, nine hundred twenty-seven".
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