Base | Representation |
---|---|
bin | 11000001111001010… |
… | …10001011011101100 |
3 | 1020120211120211120000 |
4 | 30013211101123230 |
5 | 203122100110012 |
6 | 5551102424300 |
7 | 640311064614 |
oct | 140745213354 |
9 | 36524524500 |
10 | 13012113132 |
11 | 5577aa9207 |
12 | 2631892090 |
13 | 12c4a53335 |
14 | 8b61dda44 |
15 | 512545ddc |
hex | 3079516ec |
13012113132 has 60 divisors (see below), whose sum is σ = 34158764640. Its totient is φ = 4319197344.
The previous prime is 13012113131. The next prime is 13012113143. The reversal of 13012113132 is 23131121031.
13012113132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13012113131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6583 + ... + 161454.
It is an arithmetic number, because the mean of its divisors is an integer number (569312744).
Almost surely, 213012113132 is an apocalyptic number.
13012113132 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 13012113132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17079382320).
13012113132 is an abundant number, since it is smaller than the sum of its proper divisors (21146651508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13012113132 is a wasteful number, since it uses less digits than its factorization.
13012113132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168292 (or 168281 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13012113132 its reverse (23131121031), we get a palindrome (36143234163).
The spelling of 13012113132 in words is "thirteen billion, twelve million, one hundred thirteen thousand, one hundred thirty-two".
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