Base | Representation |
---|---|
bin | 1111100000111… |
… | …00010011110011 |
3 | 100001212202200000 |
4 | 13300130103303 |
5 | 231303430004 |
6 | 20525201043 |
7 | 3140111046 |
oct | 760342363 |
9 | 301782600 |
10 | 130139379 |
11 | 67507707 |
12 | 37700183 |
13 | 20c67066 |
14 | 133d8c5d |
15 | b659c39 |
hex | 7c1c4f3 |
130139379 has 48 divisors (see below), whose sum is σ = 208615680. Its totient is φ = 80831520.
The previous prime is 130139377. The next prime is 130139389. The reversal of 130139379 is 973931031.
It is not a de Polignac number, because 130139379 - 21 = 130139377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130139377) 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, 327609 + ... + 328005.
It is an arithmetic number, because the mean of its divisors is an integer number (4346160).
Almost surely, 2130139379 is an apocalyptic number.
130139379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
130139379 is a deficient number, since it is larger than the sum of its proper divisors (78476301).
130139379 is an equidigital number, since it uses as much as digits as its factorization.
130139379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502 (or 490 counting only the distinct ones).
The product of its (nonzero) digits is 15309, while the sum is 36.
The square root of 130139379 is about 11407.8647870669. The cubic root of 130139379 is about 506.7606797403.
The spelling of 130139379 in words is "one hundred thirty million, one hundred thirty-nine thousand, three hundred seventy-nine".
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