Base | Representation |
---|---|
bin | 1111100011110… |
… | …11111100101001 |
3 | 100002121200000200 |
4 | 13301323330221 |
5 | 231403443423 |
6 | 20541422413 |
7 | 3143332116 |
oct | 761737451 |
9 | 302550020 |
10 | 130531113 |
11 | 67754a59 |
12 | 3786aa09 |
13 | 2107345b |
14 | 1349b90d |
15 | b6d5d43 |
hex | 7c7bf29 |
130531113 has 6 divisors (see below), whose sum is σ = 188544954. Its totient is φ = 87020736.
The previous prime is 130531091. The next prime is 130531127. The reversal of 130531113 is 311135031.
130531113 is a `hidden beast` number, since 130 + 531 + 1 + 1 + 3 = 666.
It can be written as a sum of positive squares in only one way, i.e., 91929744 + 38601369 = 9588^2 + 6213^2 .
It is not a de Polignac number, because 130531113 - 220 = 129482537 is a prime.
It is a super-2 number, since 2×1305311132 = 34076742922037538, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (130531133) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7251720 + ... + 7251737.
It is an arithmetic number, because the mean of its divisors is an integer number (31424159).
Almost surely, 2130531113 is an apocalyptic number.
It is an amenable number.
130531113 is a deficient number, since it is larger than the sum of its proper divisors (58013841).
130531113 is a wasteful number, since it uses less digits than its factorization.
130531113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14503463 (or 14503460 counting only the distinct ones).
The product of its (nonzero) digits is 135, while the sum is 18.
The square root of 130531113 is about 11425.0213566540. The cubic root of 130531113 is about 507.2686390723.
Adding to 130531113 its reverse (311135031), we get a palindrome (441666144).
The spelling of 130531113 in words is "one hundred thirty million, five hundred thirty-one thousand, one hundred thirteen".
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