Base | Representation |
---|---|
bin | 1111100010110… |
… | …11111100001100 |
3 | 100002101000012002 |
4 | 13301123330030 |
5 | 231340300022 |
6 | 20534531432 |
7 | 3142244651 |
oct | 761337414 |
9 | 302330162 |
10 | 130400012 |
11 | 67675506 |
12 | 37806b78 |
13 | 21028892 |
14 | 13465c28 |
15 | b6ac092 |
hex | 7c5bf0c |
130400012 has 18 divisors (see below), whose sum is σ = 235805724. Its totient is φ = 63094920.
The previous prime is 130400009. The next prime is 130400027. The reversal of 130400012 is 210004031.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 130399966 and 130400002.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13118 + ... + 20805.
It is an arithmetic number, because the mean of its divisors is an integer number (13100318).
Almost surely, 2130400012 is an apocalyptic number.
It is an amenable number.
130400012 is a deficient number, since it is larger than the sum of its proper divisors (105405712).
130400012 is a wasteful number, since it uses less digits than its factorization.
130400012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33989 (or 33956 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 130400012 is about 11419.2824643232. The cubic root of 130400012 is about 507.0987544082.
Adding to 130400012 its reverse (210004031), we get a palindrome (340404043).
The spelling of 130400012 in words is "one hundred thirty million, four hundred thousand, twelve".
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