Base | Representation |
---|---|
bin | 11000100101100101… |
… | …00000001111010111 |
3 | 1021001221101010121220 |
4 | 30102302200033113 |
5 | 204013213143111 |
6 | 10021500341423 |
7 | 645053156013 |
oct | 142262401727 |
9 | 37057333556 |
10 | 13200131031 |
11 | 56641478aa |
12 | 2684844873 |
13 | 13249a3829 |
14 | 8d3183543 |
15 | 523cd4e06 |
hex | 312ca03d7 |
13200131031 has 16 divisors (see below), whose sum is σ = 17841592800. Its totient is φ = 8679863808.
The previous prime is 13200131023. The next prime is 13200131101. The reversal of 13200131031 is 13013100231.
It is not a de Polignac number, because 13200131031 - 23 = 13200131023 is a prime.
It is a super-2 number, since 2×132001310312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13200131031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13200131431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48765 + ... + 169641.
It is an arithmetic number, because the mean of its divisors is an integer number (1115099550).
Almost surely, 213200131031 is an apocalyptic number.
13200131031 is a deficient number, since it is larger than the sum of its proper divisors (4641461769).
13200131031 is a wasteful number, since it uses less digits than its factorization.
13200131031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121378.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 13200131031 its reverse (13013100231), we get a palindrome (26213231262).
The spelling of 13200131031 in words is "thirteen billion, two hundred million, one hundred thirty-one thousand, thirty-one".
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