Base | Representation |
---|---|
bin | 11000100000001001… |
… | …00110110111101011 |
3 | 1020221202121010112020 |
4 | 30100010212313223 |
5 | 203420030421011 |
6 | 10013151315523 |
7 | 643660534350 |
oct | 142004466753 |
9 | 36852533466 |
10 | 13154545131 |
11 | 5640441502 |
12 | 267151bba3 |
13 | 1318402620 |
14 | 8cb0b8627 |
15 | 51eccd006 |
hex | 310126deb |
13154545131 has 32 divisors (see below), whose sum is σ = 21593456640. Its totient is φ = 6936568704.
The previous prime is 13154545127. The next prime is 13154545163.
It is a happy number.
13154545131 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 13154545131 - 22 = 13154545127 is a prime.
It is a super-2 number, since 2×131545451312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13154545092 and 13154545101.
It is not an unprimeable number, because it can be changed into a prime (13154545171) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392781 + ... + 1402193.
It is an arithmetic number, because the mean of its divisors is an integer number (674795520).
Almost surely, 213154545131 is an apocalyptic number.
13154545131 is a deficient number, since it is larger than the sum of its proper divisors (8438911509).
13154545131 is a wasteful number, since it uses less digits than its factorization.
13154545131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14555.
The product of its digits is 18000, while the sum is 33.
The spelling of 13154545131 in words is "thirteen billion, one hundred fifty-four million, five hundred forty-five thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •