Base | Representation |
---|---|
bin | 1111100000101… |
… | …00100011101001 |
3 | 100001211011002221 |
4 | 13300110203221 |
5 | 231301421000 |
6 | 20524354041 |
7 | 3136616344 |
oct | 760244351 |
9 | 301734087 |
10 | 130107625 |
11 | 6749586a |
12 | 376a5921 |
13 | 20c5577b |
14 | 133cb45b |
15 | b65061a |
hex | 7c148e9 |
130107625 has 8 divisors (see below), whose sum is σ = 162374472. Its totient is φ = 104086000.
The previous prime is 130107623. The next prime is 130107629. The reversal of 130107625 is 526701031.
It can be written as a sum of positive squares in 4 ways, for example, as 2214144 + 127893481 = 1488^2 + 11309^2 .
It is not a de Polignac number, because 130107625 - 21 = 130107623 is a prime.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130107625.
It is not an unprimeable number, because it can be changed into a prime (130107623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520306 + ... + 520555.
It is an arithmetic number, because the mean of its divisors is an integer number (20296809).
Almost surely, 2130107625 is an apocalyptic number.
It is an amenable number.
130107625 is a deficient number, since it is larger than the sum of its proper divisors (32266847).
130107625 is an equidigital number, since it uses as much as digits as its factorization.
130107625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1040876 (or 1040866 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 130107625 is about 11406.4729430267. The cubic root of 130107625 is about 506.7194598633.
Adding to 130107625 its reverse (526701031), we get a palindrome (656808656).
The spelling of 130107625 in words is "one hundred thirty million, one hundred seven thousand, six hundred twenty-five".
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