Base | Representation |
---|---|
bin | 1111100010110… |
… | …10110100101111 |
3 | 100002100202220201 |
4 | 13301122310233 |
5 | 231340123224 |
6 | 20534454331 |
7 | 3142225426 |
oct | 761326457 |
9 | 302322821 |
10 | 130395439 |
11 | 67672029 |
12 | 378043a7 |
13 | 21026785 |
14 | 134642bd |
15 | b6aaa44 |
hex | 7c5ad2f |
130395439 has 2 divisors, whose sum is σ = 130395440. Its totient is φ = 130395438.
The previous prime is 130395431. The next prime is 130395449. The reversal of 130395439 is 934593031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130395439 - 23 = 130395431 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130395398 and 130395407.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130395431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65197719 + 65197720.
It is an arithmetic number, because the mean of its divisors is an integer number (65197720).
Almost surely, 2130395439 is an apocalyptic number.
130395439 is a deficient number, since it is larger than the sum of its proper divisors (1).
130395439 is an equidigital number, since it uses as much as digits as its factorization.
130395439 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 43740, while the sum is 37.
The square root of 130395439 is about 11419.0822310727. The cubic root of 130395439 is about 507.0928265209.
The spelling of 130395439 in words is "one hundred thirty million, three hundred ninety-five thousand, four hundred thirty-nine".
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