Base | Representation |
---|---|
bin | 1111100000101… |
… | …00100110100100 |
3 | 100001211011100212 |
4 | 13300110212210 |
5 | 231301422222 |
6 | 20524354552 |
7 | 3136620032 |
oct | 760244644 |
9 | 301734325 |
10 | 130107812 |
11 | 67495a1a |
12 | 376a5a58 |
13 | 20c55893 |
14 | 133cb552 |
15 | b6506e2 |
hex | 7c149a4 |
130107812 has 12 divisors (see below), whose sum is σ = 230432496. Its totient is φ = 64269960.
The previous prime is 130107811. The next prime is 130107823. The reversal of 130107812 is 218701031.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (130107811) 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, 195614 + ... + 196277.
It is an arithmetic number, because the mean of its divisors is an integer number (19202708).
Almost surely, 2130107812 is an apocalyptic number.
It is an amenable number.
130107812 is a deficient number, since it is larger than the sum of its proper divisors (100324684).
130107812 is a wasteful number, since it uses less digits than its factorization.
130107812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391978 (or 391976 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 130107812 is about 11406.4811401238. The cubic root of 130107812 is about 506.7197026276.
Adding to 130107812 its reverse (218701031), we get a palindrome (348808843).
The spelling of 130107812 in words is "one hundred thirty million, one hundred seven thousand, eight hundred twelve".
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