Base | Representation |
---|---|
bin | 1111100010100… |
… | …01110110100001 |
3 | 100002021220111121 |
4 | 13301101312201 |
5 | 231332434224 |
6 | 20534012241 |
7 | 3142013326 |
oct | 761216641 |
9 | 302256447 |
10 | 130358689 |
11 | 6764745a |
12 | 377a7081 |
13 | 21012b26 |
14 | 13454b4d |
15 | b69ebe4 |
hex | 7c51da1 |
130358689 has 6 divisors (see below), whose sum is σ = 134700450. Its totient is φ = 126152640.
The previous prime is 130358681. The next prime is 130358707. The reversal of 130358689 is 986853031.
It can be written as a sum of positive squares in only one way, i.e., 130142464 + 216225 = 11408^2 + 465^2 .
It is not a de Polignac number, because 130358689 - 23 = 130358681 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130358681) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66864 + ... + 68785.
It is an arithmetic number, because the mean of its divisors is an integer number (22450075).
Almost surely, 2130358689 is an apocalyptic number.
It is an amenable number.
130358689 is a deficient number, since it is larger than the sum of its proper divisors (4341761).
130358689 is an equidigital number, since it uses as much as digits as its factorization.
130358689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135711 (or 135680 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 130358689 is about 11417.4729690943. The cubic root of 130358689 is about 507.0451832073.
The spelling of 130358689 in words is "one hundred thirty million, three hundred fifty-eight thousand, six hundred eighty-nine".
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