Base | Representation |
---|---|
bin | 11001111001000110… |
… | …01011101010000111 |
3 | 1022212202201122122112 |
4 | 30330203023222013 |
5 | 211432043221024 |
6 | 10215205251235 |
7 | 1001321330126 |
oct | 147443135207 |
9 | 38782648575 |
10 | 13900757639 |
11 | 5993684a5a |
12 | 283b403b1b |
13 | 1406ba21a2 |
14 | 95c241abd |
15 | 56557d00e |
hex | 33c8cba87 |
13900757639 has 4 divisors (see below), whose sum is σ = 13923434856. Its totient is φ = 13878080424.
The previous prime is 13900757623. The next prime is 13900757699. The reversal of 13900757639 is 93675700931.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13900757639 - 24 = 13900757623 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13900757609) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11337689 + ... + 11338914.
It is an arithmetic number, because the mean of its divisors is an integer number (3480858714).
Almost surely, 213900757639 is an apocalyptic number.
13900757639 is a deficient number, since it is larger than the sum of its proper divisors (22677217).
13900757639 is an equidigital number, since it uses as much as digits as its factorization.
13900757639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22677216.
The product of its (nonzero) digits is 1071630, while the sum is 50.
The spelling of 13900757639 in words is "thirteen billion, nine hundred million, seven hundred fifty-seven thousand, six hundred thirty-nine".
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