Base | Representation |
---|---|
bin | 10111011111000101… |
… | …01111000000100111 |
3 | 1012112201200010121221 |
4 | 23233202233000213 |
5 | 201310322412123 |
6 | 5443054121211 |
7 | 624312662203 |
oct | 135742570047 |
9 | 35481603557 |
10 | 12608794663 |
11 | 5390377063 |
12 | 253a7b0207 |
13 | 125c31c45a |
14 | 878813b03 |
15 | 4dbe2925d |
hex | 2ef8af027 |
12608794663 has 2 divisors, whose sum is σ = 12608794664. Its totient is φ = 12608794662.
The previous prime is 12608794661. The next prime is 12608794673. The reversal of 12608794663 is 36649780621.
It is a weak prime.
It is an emirp because it is prime and its reverse (36649780621) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12608794663 - 21 = 12608794661 is a prime.
Together with 12608794661, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12608794663.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12608794661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6304397331 + 6304397332.
It is an arithmetic number, because the mean of its divisors is an integer number (6304397332).
Almost surely, 212608794663 is an apocalyptic number.
12608794663 is a deficient number, since it is larger than the sum of its proper divisors (1).
12608794663 is an equidigital number, since it uses as much as digits as its factorization.
12608794663 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2612736, while the sum is 52.
The spelling of 12608794663 in words is "twelve billion, six hundred eight million, seven hundred ninety-four thousand, six hundred sixty-three".
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