Base | Representation |
---|---|
bin | 1111100000110… |
… | …10101011111010 |
3 | 100001212102112202 |
4 | 13300122223322 |
5 | 231303221410 |
6 | 20525110202 |
7 | 3140052500 |
oct | 760325372 |
9 | 301772482 |
10 | 130132730 |
11 | 67502712 |
12 | 376b8362 |
13 | 20c64020 |
14 | 133d6670 |
15 | b657ca5 |
hex | 7c1aafa |
130132730 has 96 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 39795840.
The previous prime is 130132697. The next prime is 130132741. The reversal of 130132730 is 37231031.
It is a happy number.
130132730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197141 + ... + 197799.
It is an arithmetic number, because the mean of its divisors is an integer number (3160080).
Almost surely, 2130132730 is an apocalyptic number.
130132730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130132730 is an abundant number, since it is smaller than the sum of its proper divisors (173234950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130132730 is a wasteful number, since it uses less digits than its factorization.
130132730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724 (or 717 counting only the distinct ones).
The product of its (nonzero) digits is 378, while the sum is 20.
The square root of 130132730 is about 11407.5733615875. The cubic root of 130132730 is about 506.7520492264.
Adding to 130132730 its reverse (37231031), we get a palindrome (167363761).
The spelling of 130132730 in words is "one hundred thirty million, one hundred thirty-two thousand, seven hundred thirty".
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