Base | Representation |
---|---|
bin | 1111011111111… |
… | …00110001110111 |
3 | 100001122012111202 |
4 | 13233330301313 |
5 | 231240311411 |
6 | 20522323115 |
7 | 3136032401 |
oct | 757746167 |
9 | 301565452 |
10 | 130010231 |
11 | 6742967a |
12 | 3765949b |
13 | 20c20340 |
14 | 133a3b71 |
15 | b63183b |
hex | 7bfcc77 |
130010231 has 8 divisors (see below), whose sum is σ = 140136864. Its totient is φ = 119901600.
The previous prime is 130010213. The next prime is 130010261. The reversal of 130010231 is 132010031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130010231 - 210 = 130009207 is a prime.
It is a super-2 number, since 2×1300102312 = 33805320329346722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130010201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13070 + ... + 20756.
It is an arithmetic number, because the mean of its divisors is an integer number (17517108).
Almost surely, 2130010231 is an apocalyptic number.
130010231 is a deficient number, since it is larger than the sum of its proper divisors (10126633).
130010231 is a wasteful number, since it uses less digits than its factorization.
130010231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9001.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 130010231 is about 11402.2029011941. The cubic root of 130010231 is about 506.5929908357.
Adding to 130010231 its reverse (132010031), we get a palindrome (262020262).
The spelling of 130010231 in words is "one hundred thirty million, ten thousand, two hundred thirty-one".
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