Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11011101010000100 |
3 | 1021221000100012001110 |
4 | 30212201123222010 |
5 | 210202441401012 |
6 | 10114404325020 |
7 | 656213206032 |
oct | 144641335204 |
9 | 37830305043 |
10 | 13531200132 |
11 | 5814011a2a |
12 | 27576a3770 |
13 | 137845c0c8 |
14 | 925123552 |
15 | 542dce73c |
hex | 32685ba84 |
13531200132 has 96 divisors (see below), whose sum is σ = 34444569600. Its totient is φ = 4117986432.
The previous prime is 13531200101. The next prime is 13531200143. The reversal of 13531200132 is 23100213531.
It is a junction number, because it is equal to n+sod(n) for n = 13531200099 and 13531200108.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4276383 + ... + 4279545.
It is an arithmetic number, because the mean of its divisors is an integer number (358797600).
Almost surely, 213531200132 is an apocalyptic number.
13531200132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13531200132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17222284800).
13531200132 is an abundant number, since it is smaller than the sum of its proper divisors (20913369468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13531200132 is a wasteful number, since it uses less digits than its factorization.
13531200132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3865 (or 3863 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
Adding to 13531200132 its reverse (23100213531), we get a palindrome (36631413663).
The spelling of 13531200132 in words is "thirteen billion, five hundred thirty-one million, two hundred thousand, one hundred thirty-two".
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