Base | Representation |
---|---|
bin | 1111100100101… |
… | …11001011000001 |
3 | 100002211022222202 |
4 | 13302113023001 |
5 | 231421031000 |
6 | 20544042545 |
7 | 3144305201 |
oct | 762271301 |
9 | 302738882 |
10 | 130642625 |
11 | 67820813 |
12 | 37903455 |
13 | 210b2139 |
14 | 134ca401 |
15 | b708dd5 |
hex | 7c972c1 |
130642625 has 32 divisors (see below), whose sum is σ = 168080640. Its totient is φ = 101347200.
The previous prime is 130642621. The next prime is 130642639. The reversal of 130642625 is 526246031.
It is not a de Polignac number, because 130642625 - 22 = 130642621 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130642621) 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, 939806 + ... + 939944.
It is an arithmetic number, because the mean of its divisors is an integer number (5252520).
Almost surely, 2130642625 is an apocalyptic number.
It is an amenable number.
130642625 is a deficient number, since it is larger than the sum of its proper divisors (37438015).
130642625 is a wasteful number, since it uses less digits than its factorization.
130642625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330 (or 320 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 130642625 is about 11429.9004807566. The cubic root of 130642625 is about 507.4130502109.
Adding to 130642625 its reverse (526246031), we get a palindrome (656888656).
The spelling of 130642625 in words is "one hundred thirty million, six hundred forty-two thousand, six hundred twenty-five".
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