Base | Representation |
---|---|
bin | 11000101001010010… |
… | …11001111000010000 |
3 | 1021011010000200120022 |
4 | 30110221121320100 |
5 | 204044203100422 |
6 | 10024532403012 |
7 | 645612123662 |
oct | 142451317020 |
9 | 37133020508 |
10 | 13231300112 |
11 | 567a7a6678 |
12 | 2693176468 |
13 | 132b297984 |
14 | 8d7378532 |
15 | 5268e0342 |
hex | 314a59e10 |
13231300112 has 20 divisors (see below), whose sum is σ = 26519632620. Its totient is φ = 6387523968.
The previous prime is 13231300111. The next prime is 13231300127. The reversal of 13231300112 is 21100313231.
It can be written as a sum of positive squares in 2 ways, for example, as 4411085056 + 8820215056 = 66416^2 + 93916^2 .
It is a super-2 number, since 2×132313001122 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13231300111) 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, 14257403 + ... + 14258330.
It is an arithmetic number, because the mean of its divisors is an integer number (1325981631).
Almost surely, 213231300112 is an apocalyptic number.
It is an amenable number.
13231300112 is an abundant number, since it is smaller than the sum of its proper divisors (13288332508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13231300112 is a wasteful number, since it uses less digits than its factorization.
13231300112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28515770 (or 28515764 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13231300112 its reverse (21100313231), we get a palindrome (34331613343).
The spelling of 13231300112 in words is "thirteen billion, two hundred thirty-one million, three hundred thousand, one hundred twelve".
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