Base | Representation |
---|---|
bin | 111100111101101110… |
… | …0101001011110101101 |
3 | 110111221001022111201200 |
4 | 1321323130221132231 |
5 | 4121111023021011 |
6 | 140051024400113 |
7 | 12313215466362 |
oct | 1717334513655 |
9 | 414831274650 |
10 | 130920126381 |
11 | 50582aa8760 |
12 | 21458a76039 |
13 | c4656c7005 |
14 | 649d784469 |
15 | 3613a18856 |
hex | 1e7b7297ad |
130920126381 has 48 divisors (see below), whose sum is σ = 208484902080. Its totient is φ = 78506415360.
The previous prime is 130920126371. The next prime is 130920126383. The reversal of 130920126381 is 183621029031.
130920126381 is a `hidden beast` number, since 1 + 3 + 0 + 9 + 2 + 0 + 12 + 638 + 1 = 666.
It is not a de Polignac number, because 130920126381 - 217 = 130919995309 is a prime.
It is a super-2 number, since 2×1309201263812 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130920126383) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9028585 + ... + 9043073.
It is an arithmetic number, because the mean of its divisors is an integer number (4343435460).
Almost surely, 2130920126381 is an apocalyptic number.
130920126381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
130920126381 is a deficient number, since it is larger than the sum of its proper divisors (77564775699).
130920126381 is a wasteful number, since it uses less digits than its factorization.
130920126381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15466 (or 15463 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The spelling of 130920126381 in words is "one hundred thirty billion, nine hundred twenty million, one hundred twenty-six thousand, three hundred eighty-one".
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