Base | Representation |
---|---|
bin | 11000111111110100… |
… | …11100001001100111 |
3 | 1021122021200122120120 |
4 | 30133322130021213 |
5 | 204441100041424 |
6 | 10055403533023 |
7 | 653365540332 |
oct | 143772341147 |
9 | 37567618516 |
10 | 13420315239 |
11 | 5767466521 |
12 | 272652a173 |
13 | 135b4a7046 |
14 | 9144db619 |
15 | 5382c9a79 |
hex | 31fe9c267 |
13420315239 has 32 divisors (see below), whose sum is σ = 19519315200. Its totient is φ = 8169315840.
The previous prime is 13420315231. The next prime is 13420315243. The reversal of 13420315239 is 93251302431.
It is not a de Polignac number, because 13420315239 - 23 = 13420315231 is a prime.
It is a super-3 number, since 3×134203152393 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13420315231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973384 + ... + 987074.
It is an arithmetic number, because the mean of its divisors is an integer number (609978600).
Almost surely, 213420315239 is an apocalyptic number.
13420315239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
13420315239 is a deficient number, since it is larger than the sum of its proper divisors (6098999961).
13420315239 is a wasteful number, since it uses less digits than its factorization.
13420315239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14335.
The product of its (nonzero) digits is 19440, while the sum is 33.
The spelling of 13420315239 in words is "thirteen billion, four hundred twenty million, three hundred fifteen thousand, two hundred thirty-nine".
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