Base | Representation |
---|---|
bin | 10110111011100111… |
… | …10101010000111111 |
3 | 1011202222212011121221 |
4 | 23131303311100333 |
5 | 200203142134342 |
6 | 5353345334211 |
7 | 614041132366 |
oct | 133563652077 |
9 | 34688764557 |
10 | 12311286847 |
11 | 5248445032 |
12 | 2477037367 |
13 | 12127b4b22 |
14 | 84b0cc7dd |
15 | 4c0c5da67 |
hex | 2ddcf543f |
12311286847 has 2 divisors, whose sum is σ = 12311286848. Its totient is φ = 12311286846.
The previous prime is 12311286781. The next prime is 12311286887. The reversal of 12311286847 is 74868211321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12311286847 - 223 = 12302898239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12311286887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155643423 + 6155643424.
It is an arithmetic number, because the mean of its divisors is an integer number (6155643424).
Almost surely, 212311286847 is an apocalyptic number.
12311286847 is a deficient number, since it is larger than the sum of its proper divisors (1).
12311286847 is an equidigital number, since it uses as much as digits as its factorization.
12311286847 is an evil number, because the sum of its binary digits is even.
The product of its digits is 129024, while the sum is 43.
The spelling of 12311286847 in words is "twelve billion, three hundred eleven million, two hundred eighty-six thousand, eight hundred forty-seven".
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