Base | Representation |
---|---|
bin | 11000011101011000… |
… | …10100001111000011 |
3 | 1020220011001020120000 |
4 | 30032230110033003 |
5 | 203343114301011 |
6 | 10011003251043 |
7 | 643260026253 |
oct | 141654241703 |
9 | 36804036500 |
10 | 13131400131 |
11 | 5629373303 |
12 | 2665819a83 |
13 | 131368a865 |
14 | 8c7db1963 |
15 | 51cc5a356 |
hex | 30eb143c3 |
13131400131 has 40 divisors (see below), whose sum is σ = 19853922000. Its totient is φ = 8648762688.
The previous prime is 13131400111. The next prime is 13131400133. The reversal of 13131400131 is 13100413131.
13131400131 is a `hidden beast` number, since 1 + 3 + 131 + 400 + 131 = 666.
It is not a de Polignac number, because 13131400131 - 26 = 13131400067 is a prime.
It is a super-2 number, since 2×131314001312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13131400133) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2281245 + ... + 2286993.
It is an arithmetic number, because the mean of its divisors is an integer number (496348050).
Almost surely, 213131400131 is an apocalyptic number.
13131400131 is a deficient number, since it is larger than the sum of its proper divisors (6722521869).
13131400131 is a wasteful number, since it uses less digits than its factorization.
13131400131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6097 (or 6088 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13131400131 its reverse (13100413131), we get a palindrome (26231813262).
The spelling of 13131400131 in words is "thirteen billion, one hundred thirty-one million, four hundred thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •