Base | Representation |
---|---|
bin | 111111011111101… |
… | …0101101101000111 |
3 | 12111110222022002201 |
4 | 1332333111231013 |
5 | 13330404030231 |
6 | 551224415331 |
7 | 103540143013 |
oct | 17677255507 |
9 | 5443868081 |
10 | 2130533191 |
11 | 9a36a3136 |
12 | 4b5617547 |
13 | 27c51b737 |
14 | 162d57543 |
15 | c7099161 |
hex | 7efd5b47 |
2130533191 has 2 divisors, whose sum is σ = 2130533192. Its totient is φ = 2130533190.
The previous prime is 2130533173. The next prime is 2130533231. The reversal of 2130533191 is 1913350312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2130533191 - 25 = 2130533159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130533101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065266595 + 1065266596.
It is an arithmetic number, because the mean of its divisors is an integer number (1065266596).
Almost surely, 22130533191 is an apocalyptic number.
2130533191 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130533191 is an equidigital number, since it uses as much as digits as its factorization.
2130533191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2430, while the sum is 28.
The square root of 2130533191 is about 46157.6991519291. The cubic root of 2130533191 is about 1286.7557020979.
The spelling of 2130533191 in words is "two billion, one hundred thirty million, five hundred thirty-three thousand, one hundred ninety-one".
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