Base | Representation |
---|---|
bin | 111100110010001001… |
… | …1110101010111100101 |
3 | 110110220222212120212101 |
4 | 1321210103311113211 |
5 | 4114312134033223 |
6 | 135544320252101 |
7 | 12300463116202 |
oct | 1714423652745 |
9 | 413828776771 |
10 | 130531939813 |
11 | 503a3971410 |
12 | 2136aa71031 |
13 | c403160812 |
14 | 6463db6ca9 |
15 | 35de8da4ad |
hex | 1e644f55e5 |
130531939813 has 16 divisors (see below), whose sum is σ = 148722356736. Its totient is φ = 113404713840.
The previous prime is 130531939709. The next prime is 130531939849. The reversal of 130531939813 is 318939135031.
It is not a de Polignac number, because 130531939813 - 217 = 130531808741 is a prime.
It is a super-2 number, since 2×1305319398132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130531939873) 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, 54406 + ... + 513832.
It is an arithmetic number, because the mean of its divisors is an integer number (9295147296).
Almost surely, 2130531939813 is an apocalyptic number.
It is an amenable number.
130531939813 is a deficient number, since it is larger than the sum of its proper divisors (18190416923).
130531939813 is a wasteful number, since it uses less digits than its factorization.
130531939813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460584.
The product of its (nonzero) digits is 262440, while the sum is 46.
The spelling of 130531939813 in words is "one hundred thirty billion, five hundred thirty-one million, nine hundred thirty-nine thousand, eight hundred thirteen".
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