Base | Representation |
---|---|
bin | 111100101001001100… |
… | …1000001111010001100 |
3 | 110110011001012010001101 |
4 | 1321102121001322030 |
5 | 4113203203441022 |
6 | 135454420552444 |
7 | 12260152613254 |
oct | 1712231017214 |
9 | 413131163041 |
10 | 130231312012 |
11 | 5025a1a928a |
12 | 212a6252724 |
13 | c385aa3049 |
14 | 64360bc964 |
15 | 35c3305627 |
hex | 1e52641e8c |
130231312012 has 12 divisors (see below), whose sum is σ = 227920657216. Its totient is φ = 65111124240.
The previous prime is 130231311979. The next prime is 130231312019. The reversal of 130231312012 is 210213132031.
It is not an unprimeable number, because it can be changed into a prime (130231312019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067868 + ... + 1183555.
Almost surely, 2130231312012 is an apocalyptic number.
It is an amenable number.
130231312012 is a deficient number, since it is larger than the sum of its proper divisors (97689345204).
130231312012 is a wasteful number, since it uses less digits than its factorization.
130231312012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2265888 (or 2265886 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 130231312012 its reverse (210213132031), we get a palindrome (340444444043).
The spelling of 130231312012 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred twelve thousand, twelve".
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