Base | Representation |
---|---|
bin | 1111100100011… |
… | …11110001010100 |
3 | 100002202210101220 |
4 | 13302033301110 |
5 | 231414043213 |
6 | 20543250340 |
7 | 3144120621 |
oct | 762176124 |
9 | 302683356 |
10 | 130612308 |
11 | 677aaa62 |
12 | 378a99b0 |
13 | 210a13b8 |
14 | 134bd348 |
15 | b6eee23 |
hex | 7c8fc54 |
130612308 has 48 divisors (see below), whose sum is σ = 334763520. Its totient is φ = 39451104.
The previous prime is 130612301. The next prime is 130612373. The reversal of 130612308 is 803216031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130612301) 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, 7210 + ... + 17697.
It is an arithmetic number, because the mean of its divisors is an integer number (6974240).
Almost surely, 2130612308 is an apocalyptic number.
It is an amenable number.
130612308 is an abundant number, since it is smaller than the sum of its proper divisors (204151212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130612308 is a wasteful number, since it uses less digits than its factorization.
130612308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24956 (or 24954 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 130612308 is about 11428.5741892854. The cubic root of 130612308 is about 507.3737969898.
Adding to 130612308 its reverse (803216031), we get a palindrome (933828339).
The spelling of 130612308 in words is "one hundred thirty million, six hundred twelve thousand, three hundred eight".
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