Base | Representation |
---|---|
bin | 1111100010001… |
… | …11001100101100 |
3 | 100002012200122102 |
4 | 13301013030230 |
5 | 231330040202 |
6 | 20533034232 |
7 | 3141442160 |
oct | 761071454 |
9 | 302180572 |
10 | 130315052 |
11 | 6761769a |
12 | 37785978 |
13 | 20cc8cca |
14 | 13442ca0 |
15 | b691d02 |
hex | 7c4732c |
130315052 has 12 divisors (see below), whose sum is σ = 260630160. Its totient is φ = 55849296.
The previous prime is 130315051. The next prime is 130315057. The reversal of 130315052 is 250513031.
130315052 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (130315051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327027 + ... + 2327082.
It is an arithmetic number, because the mean of its divisors is an integer number (21719180).
Almost surely, 2130315052 is an apocalyptic number.
It is an amenable number.
130315052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130315052 is a wasteful number, since it uses less digits than its factorization.
130315052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4654120 (or 4654118 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 130315052 is about 11415.5618346186. The cubic root of 130315052 is about 506.9885998420.
Adding to 130315052 its reverse (250513031), we get a palindrome (380828083).
The spelling of 130315052 in words is "one hundred thirty million, three hundred fifteen thousand, fifty-two".
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