Base | Representation |
---|---|
bin | 11001110100100110… |
… | …10010111010100111 |
3 | 1022210010202022220020 |
4 | 30322103102322213 |
5 | 211342414214011 |
6 | 10211341010223 |
7 | 1000352612151 |
oct | 147223227247 |
9 | 38703668806 |
10 | 13863038631 |
11 | 5974362122 |
12 | 282a853973 |
13 | 13cc126950 |
14 | 957223ad1 |
15 | 5620cc006 |
hex | 33a4d2ea7 |
13863038631 has 32 divisors (see below), whose sum is σ = 20277190080. Its totient is φ = 8373387264.
The previous prime is 13863038557. The next prime is 13863038659. The reversal of 13863038631 is 13683036831.
It is not a de Polignac number, because 13863038631 - 27 = 13863038503 is a prime.
It is a super-2 number, since 2×138630386312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13863038681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460951 + ... + 490103.
It is an arithmetic number, because the mean of its divisors is an integer number (633662190).
Almost surely, 213863038631 is an apocalyptic number.
13863038631 is a deficient number, since it is larger than the sum of its proper divisors (6414151449).
13863038631 is a wasteful number, since it uses less digits than its factorization.
13863038631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29395.
The product of its (nonzero) digits is 186624, while the sum is 42.
The spelling of 13863038631 in words is "thirteen billion, eight hundred sixty-three million, thirty-eight thousand, six hundred thirty-one".
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