Base | Representation |
---|---|
bin | 1111100001111… |
… | …00011111001011 |
3 | 100002010110110111 |
4 | 13300330133023 |
5 | 231322134204 |
6 | 20532055151 |
7 | 3141200233 |
oct | 760743713 |
9 | 302113414 |
10 | 130271179 |
11 | 67597735 |
12 | 377644b7 |
13 | 20cb204c |
14 | 13430cc3 |
15 | b683d04 |
hex | 7c3c7cb |
130271179 has 2 divisors, whose sum is σ = 130271180. Its totient is φ = 130271178.
The previous prime is 130271159. The next prime is 130271203. The reversal of 130271179 is 971172031.
It is a weak prime.
It is an emirp because it is prime and its reverse (971172031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130271179 - 29 = 130270667 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130271179.
It is not a weakly prime, because it can be changed into another prime (130271129) 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, 65135589 + 65135590.
It is an arithmetic number, because the mean of its divisors is an integer number (65135590).
Almost surely, 2130271179 is an apocalyptic number.
130271179 is a deficient number, since it is larger than the sum of its proper divisors (1).
130271179 is an equidigital number, since it uses as much as digits as its factorization.
130271179 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2646, while the sum is 31.
The square root of 130271179 is about 11413.6400416344. The cubic root of 130271179 is about 506.9316977237.
The spelling of 130271179 in words is "one hundred thirty million, two hundred seventy-one thousand, one hundred seventy-nine".
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