Base | Representation |
---|---|
bin | 10111110111100111… |
… | …11111110111111111 |
3 | 1020002002000111122112 |
4 | 23323303333313333 |
5 | 202221022144113 |
6 | 5515330204235 |
7 | 632362462151 |
oct | 137363776777 |
9 | 36062014575 |
10 | 12814646783 |
11 | 5486596884 |
12 | 259772367b |
13 | 1292b75343 |
14 | 897cbaad1 |
15 | 50003c5a8 |
hex | 2fbcffdff |
12814646783 has 2 divisors, whose sum is σ = 12814646784. Its totient is φ = 12814646782.
The previous prime is 12814646749. The next prime is 12814646821. The reversal of 12814646783 is 38764641821.
It is a weak prime.
It is an emirp because it is prime and its reverse (38764641821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12814646783 - 210 = 12814645759 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12814646723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6407323391 + 6407323392.
It is an arithmetic number, because the mean of its divisors is an integer number (6407323392).
Almost surely, 212814646783 is an apocalyptic number.
12814646783 is a deficient number, since it is larger than the sum of its proper divisors (1).
12814646783 is an equidigital number, since it uses as much as digits as its factorization.
12814646783 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1548288, while the sum is 50.
The spelling of 12814646783 in words is "twelve billion, eight hundred fourteen million, six hundred forty-six thousand, seven hundred eighty-three".
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