Base | Representation |
---|---|
bin | 11000100111000111… |
… | …11110101111010111 |
3 | 1021002211210002002200 |
4 | 30103203332233113 |
5 | 204030023213030 |
6 | 10023042335543 |
7 | 645301335252 |
oct | 142343765727 |
9 | 37084702080 |
10 | 13213101015 |
11 | 56704a63a4 |
12 | 268905a5b3 |
13 | 132759518a |
14 | 8d4b9c099 |
15 | 524ee7d60 |
hex | 3138febd7 |
13213101015 has 24 divisors (see below), whose sum is σ = 23641507968. Its totient is φ = 6819664320.
The previous prime is 13213101007. The next prime is 13213101061. The reversal of 13213101015 is 51010131231.
It is not a de Polignac number, because 13213101015 - 23 = 13213101007 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4734484 + ... + 4737273.
It is an arithmetic number, because the mean of its divisors is an integer number (985062832).
Almost surely, 213213101015 is an apocalyptic number.
13213101015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13213101015 is a deficient number, since it is larger than the sum of its proper divisors (10428406953).
13213101015 is a wasteful number, since it uses less digits than its factorization.
13213101015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9471799 (or 9471796 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 18.
Adding to 13213101015 its reverse (51010131231), we get a palindrome (64223232246).
The spelling of 13213101015 in words is "thirteen billion, two hundred thirteen million, one hundred one thousand, fifteen".
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