Base | Representation |
---|---|
bin | 11000011100100000… |
… | …10000010111001000 |
3 | 1020212122012112011022 |
4 | 30032100100113020 |
5 | 203334223403412 |
6 | 10010141452012 |
7 | 643140351425 |
oct | 141620202710 |
9 | 36778175138 |
10 | 13124044232 |
11 | 56251a9752 |
12 | 2663271008 |
13 | 1311cb3660 |
14 | 8c7018d4c |
15 | 51c2a5a72 |
hex | 30e4105c8 |
13124044232 has 32 divisors (see below), whose sum is σ = 26762876280. Its totient is φ = 5997273600.
The previous prime is 13124044231. The next prime is 13124044261. The reversal of 13124044232 is 23244042131.
It can be written as a sum of positive squares in 4 ways, for example, as 8440831876 + 4683212356 = 91874^2 + 68434^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (13124044231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614213 + ... + 635220.
Almost surely, 213124044232 is an apocalyptic number.
It is an amenable number.
13124044232 is an abundant number, since it is smaller than the sum of its proper divisors (13638832048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124044232 is a wasteful number, since it uses less digits than its factorization.
13124044232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1249553 (or 1249549 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 13124044232 its reverse (23244042131), we get a palindrome (36368086363).
The spelling of 13124044232 in words is "thirteen billion, one hundred twenty-four million, forty-four thousand, two hundred thirty-two".
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