Base | Representation |
---|---|
bin | 10011011000010… |
… | …001011111001111 |
3 | 211122210022202221 |
4 | 103120101133033 |
5 | 1131213131231 |
6 | 52132400211 |
7 | 11025363301 |
oct | 2330213717 |
9 | 748708687 |
10 | 325130191 |
11 | 157589141 |
12 | 90a76067 |
13 | 52489339 |
14 | 31275971 |
15 | 1d824d11 |
hex | 136117cf |
325130191 has 2 divisors, whose sum is σ = 325130192. Its totient is φ = 325130190.
The previous prime is 325130189. The next prime is 325130233. The reversal of 325130191 is 191031523.
It is a weak prime.
It is an emirp because it is prime and its reverse (191031523) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 325130191 - 21 = 325130189 is a prime.
Together with 325130189, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (325130131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162565095 + 162565096.
It is an arithmetic number, because the mean of its divisors is an integer number (162565096).
Almost surely, 2325130191 is an apocalyptic number.
325130191 is a deficient number, since it is larger than the sum of its proper divisors (1).
325130191 is an equidigital number, since it uses as much as digits as its factorization.
325130191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 810, while the sum is 25.
The square root of 325130191 is about 18031.3668644393. The cubic root of 325130191 is about 687.6262272251.
The spelling of 325130191 in words is "three hundred twenty-five million, one hundred thirty thousand, one hundred ninety-one".
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