Base | Representation |
---|---|
bin | 11011010110110011… |
… | …11001011111011001 |
3 | 1101220112220102212112 |
4 | 31223121321133121 |
5 | 220034313244311 |
6 | 10425210122105 |
7 | 1026645122435 |
oct | 155331713731 |
9 | 41815812775 |
10 | 14686853081 |
11 | 625738910a |
12 | 2a1a720335 |
13 | 15009c7214 |
14 | 9d47cb9c5 |
15 | 5ae5aa28b |
hex | 36b6797d9 |
14686853081 has 2 divisors, whose sum is σ = 14686853082. Its totient is φ = 14686853080.
The previous prime is 14686853047. The next prime is 14686853101. The reversal of 14686853081 is 18035868641.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13707726400 + 979126681 = 117080^2 + 31291^2 .
It is a cyclic number.
It is not a de Polignac number, because 14686853081 - 26 = 14686853017 is a prime.
It is a super-2 number, since 2×146868530812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (14686853381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7343426540 + 7343426541.
It is an arithmetic number, because the mean of its divisors is an integer number (7343426541).
Almost surely, 214686853081 is an apocalyptic number.
It is an amenable number.
14686853081 is a deficient number, since it is larger than the sum of its proper divisors (1).
14686853081 is an equidigital number, since it uses as much as digits as its factorization.
14686853081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1105920, while the sum is 50.
The spelling of 14686853081 in words is "fourteen billion, six hundred eighty-six million, eight hundred fifty-three thousand, eighty-one".
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