Base | Representation |
---|---|
bin | 111001100101… |
… | …0111000110111 |
3 | 2002210212111002 |
4 | 1303022320313 |
5 | 30212104114 |
6 | 2555033515 |
7 | 514422605 |
oct | 163127067 |
9 | 62725432 |
10 | 30191159 |
11 | 16051079 |
12 | a13b89b |
13 | 6340cbb |
14 | 401c875 |
15 | 29b57de |
hex | 1ccae37 |
30191159 has 2 divisors, whose sum is σ = 30191160. Its totient is φ = 30191158.
The previous prime is 30191141. The next prime is 30191207. The reversal of 30191159 is 95119103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30191159 - 28 = 30190903 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30190159) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15095579 + 15095580.
It is an arithmetic number, because the mean of its divisors is an integer number (15095580).
Almost surely, 230191159 is an apocalyptic number.
30191159 is a deficient number, since it is larger than the sum of its proper divisors (1).
30191159 is an equidigital number, since it uses as much as digits as its factorization.
30191159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1215, while the sum is 29.
The square root of 30191159 is about 5494.6482143992. The cubic root of 30191159 is about 311.3818264937.
The spelling of 30191159 in words is "thirty million, one hundred ninety-one thousand, one hundred fifty-nine".
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