Base | Representation |
---|---|
bin | 1111100110111… |
… | …11100110101111 |
3 | 100010101101222010 |
4 | 13303133212233 |
5 | 232010024221 |
6 | 20554252303 |
7 | 3146652156 |
oct | 763374657 |
9 | 303341863 |
10 | 130939311 |
11 | 67a03708 |
12 | 37a27093 |
13 | 211871a9 |
14 | 1356659d |
15 | b766c76 |
hex | 7cdf9af |
130939311 has 4 divisors (see below), whose sum is σ = 174585752. Its totient is φ = 87292872.
The previous prime is 130939307. The next prime is 130939313. The reversal of 130939311 is 113939031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113939031 = 3 ⋅37979677.
It is not a de Polignac number, because 130939311 - 22 = 130939307 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130939313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21823216 + ... + 21823221.
It is an arithmetic number, because the mean of its divisors is an integer number (43646438).
Almost surely, 2130939311 is an apocalyptic number.
130939311 is a deficient number, since it is larger than the sum of its proper divisors (43646441).
130939311 is an equidigital number, since it uses as much as digits as its factorization.
130939311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43646440.
The product of its (nonzero) digits is 2187, while the sum is 30.
The square root of 130939311 is about 11442.8716238539. The cubic root of 130939311 is about 507.7968670867.
The spelling of 130939311 in words is "one hundred thirty million, nine hundred thirty-nine thousand, three hundred eleven".
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