Base | Representation |
---|---|
bin | 1111100100111… |
… | …00101101110011 |
3 | 100002212111010201 |
4 | 13302130231303 |
5 | 231422242311 |
6 | 20544340031 |
7 | 3144431326 |
oct | 762345563 |
9 | 302774121 |
10 | 130665331 |
11 | 67836885 |
12 | 37914617 |
13 | 210bc584 |
14 | 134d47bd |
15 | b7109c1 |
hex | 7c9cb73 |
130665331 has 2 divisors, whose sum is σ = 130665332. Its totient is φ = 130665330.
The previous prime is 130665317. The next prime is 130665371. The reversal of 130665331 is 133566031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130665331 - 213 = 130657139 is a prime.
It is a super-2 number, since 2×1306653312 = 34146857450679122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 130665331.
It is not a weakly prime, because it can be changed into another prime (130665371) 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, 65332665 + 65332666.
It is an arithmetic number, because the mean of its divisors is an integer number (65332666).
Almost surely, 2130665331 is an apocalyptic number.
130665331 is a deficient number, since it is larger than the sum of its proper divisors (1).
130665331 is an equidigital number, since it uses as much as digits as its factorization.
130665331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4860, while the sum is 28.
The square root of 130665331 is about 11430.8937095924. The cubic root of 130665331 is about 507.4424450410.
The spelling of 130665331 in words is "one hundred thirty million, six hundred sixty-five thousand, three hundred thirty-one".
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