Base | Representation |
---|---|
bin | 1111100000111… |
… | …00010010101001 |
3 | 100001212202120021 |
4 | 13300130102221 |
5 | 231303424210 |
6 | 20525200441 |
7 | 3140110612 |
oct | 760342251 |
9 | 301782507 |
10 | 130139305 |
11 | 6750764a |
12 | 37700121 |
13 | 20c6700a |
14 | 133d8c09 |
15 | b659bda |
hex | 7c1c4a9 |
130139305 has 8 divisors (see below), whose sum is σ = 156542400. Its totient is φ = 103861296.
The previous prime is 130139293. The next prime is 130139311. The reversal of 130139305 is 503931031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130139305 - 29 = 130138793 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130139305.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28965 + ... + 33154.
It is an arithmetic number, because the mean of its divisors is an integer number (19567800).
Almost surely, 2130139305 is an apocalyptic number.
It is an amenable number.
130139305 is a deficient number, since it is larger than the sum of its proper divisors (26403095).
130139305 is an equidigital number, since it uses as much as digits as its factorization.
130139305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62543.
The product of its (nonzero) digits is 1215, while the sum is 25.
The square root of 130139305 is about 11407.8615436899. The cubic root of 130139305 is about 506.7605836886.
The spelling of 130139305 in words is "one hundred thirty million, one hundred thirty-nine thousand, three hundred five".
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