Base | Representation |
---|---|
bin | 110100101011010101… |
… | …0011010110101010111 |
3 | 101210222202002102012101 |
4 | 1221112222122311113 |
5 | 3323134004011411 |
6 | 123545032502531 |
7 | 11113203400045 |
oct | 1512652326527 |
9 | 353882072171 |
10 | 113123110231 |
11 | 43a8005704a |
12 | 19b1084aa47 |
13 | a88a556c21 |
14 | 5691cb5395 |
15 | 2e213a88c1 |
hex | 1a56a9ad57 |
113123110231 has 16 divisors (see below), whose sum is σ = 119691175680. Its totient is φ = 106693329600.
The previous prime is 113123110213. The next prime is 113123110297. The reversal of 113123110231 is 132011321311.
It is a cyclic number.
It is not a de Polignac number, because 113123110231 - 29 = 113123109719 is a prime.
It is a super-2 number, since 2×1131231102312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 113123110199 and 113123110208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113123110201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8473960 + ... + 8487298.
It is an arithmetic number, because the mean of its divisors is an integer number (7480698480).
Almost surely, 2113123110231 is an apocalyptic number.
113123110231 is a deficient number, since it is larger than the sum of its proper divisors (6568065449).
113123110231 is a wasteful number, since it uses less digits than its factorization.
113123110231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18486.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 113123110231 its reverse (132011321311), we get a palindrome (245134431542).
The spelling of 113123110231 in words is "one hundred thirteen billion, one hundred twenty-three million, one hundred ten thousand, two hundred thirty-one".
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