Base | Representation |
---|---|
bin | 111001110100… |
… | …0001011110111 |
3 | 2010000222002112 |
4 | 1303220023313 |
5 | 30224424114 |
6 | 3001401235 |
7 | 515432504 |
oct | 163501367 |
9 | 63028075 |
10 | 30311159 |
11 | 1612324a |
12 | a19921b |
13 | 63837c8 |
14 | 40504ab |
15 | 29db13e |
hex | 1ce82f7 |
30311159 has 2 divisors, whose sum is σ = 30311160. Its totient is φ = 30311158.
The previous prime is 30311147. The next prime is 30311201. The reversal of 30311159 is 95111303.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30311159 - 212 = 30307063 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30311129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155579 + 15155580.
It is an arithmetic number, because the mean of its divisors is an integer number (15155580).
Almost surely, 230311159 is an apocalyptic number.
30311159 is a deficient number, since it is larger than the sum of its proper divisors (1).
30311159 is an equidigital number, since it uses as much as digits as its factorization.
30311159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 405, while the sum is 23.
The square root of 30311159 is about 5505.5571016928. The cubic root of 30311159 is about 311.7938281502.
The spelling of 30311159 in words is "thirty million, three hundred eleven thousand, one hundred fifty-nine".
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