Base | Representation |
---|---|
bin | 1111100011000… |
… | …10000101100001 |
3 | 100002102021201102 |
4 | 13301202011201 |
5 | 231342101220 |
6 | 20535244145 |
7 | 3142411232 |
oct | 761420541 |
9 | 302367642 |
10 | 130425185 |
11 | 67692410 |
12 | 37819655 |
13 | 21037187 |
14 | 13471089 |
15 | b6b4775 |
hex | 7c62161 |
130425185 has 16 divisors (see below), whose sum is σ = 175355712. Its totient is φ = 92289600.
The previous prime is 130425181. The next prime is 130425199. The reversal of 130425185 is 581524031.
It is not a de Polignac number, because 130425185 - 22 = 130425181 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (130425181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30011 + ... + 34080.
It is an arithmetic number, because the mean of its divisors is an integer number (10959732).
Almost surely, 2130425185 is an apocalyptic number.
It is an amenable number.
130425185 is a deficient number, since it is larger than the sum of its proper divisors (44930527).
130425185 is a wasteful number, since it uses less digits than its factorization.
130425185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64144.
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 130425185 is about 11420.3846257471. The cubic root of 130425185 is about 507.1313831772.
The spelling of 130425185 in words is "one hundred thirty million, four hundred twenty-five thousand, one hundred eighty-five".
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