Base | Representation |
---|---|
bin | 11011111110000111… |
… | …001111001110000101 |
3 | 2212112001121021020011 |
4 | 123332013033032011 |
5 | 443001434121424 |
6 | 21444053510221 |
7 | 2112151154044 |
oct | 337607171605 |
9 | 85461537204 |
10 | 30033113989 |
11 | 11811a0106a |
12 | 59a2042371 |
13 | 2aa81ba588 |
14 | 164c9c855b |
15 | bab9ba694 |
hex | 6fe1cf385 |
30033113989 has 2 divisors, whose sum is σ = 30033113990. Its totient is φ = 30033113988.
The previous prime is 30033113977. The next prime is 30033114049. The reversal of 30033113989 is 98931133003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28515388225 + 1517725764 = 168865^2 + 38958^2 .
It is a cyclic number.
It is not a de Polignac number, because 30033113989 - 219 = 30032589701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30033113939) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016556994 + 15016556995.
It is an arithmetic number, because the mean of its divisors is an integer number (15016556995).
Almost surely, 230033113989 is an apocalyptic number.
It is an amenable number.
30033113989 is a deficient number, since it is larger than the sum of its proper divisors (1).
30033113989 is an equidigital number, since it uses as much as digits as its factorization.
30033113989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 52488, while the sum is 40.
The spelling of 30033113989 in words is "thirty billion, thirty-three million, one hundred thirteen thousand, nine hundred eighty-nine".
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