Base | Representation |
---|---|
bin | 11100001110001000… |
… | …111100001110001101 |
3 | 2220012210112212220002 |
4 | 130032020330032031 |
5 | 444024302332132 |
6 | 21530500534045 |
7 | 2121624500264 |
oct | 341610741615 |
9 | 86183485802 |
10 | 30301995917 |
11 | 1193a761036 |
12 | 5a580b1325 |
13 | 2b1bb114cb |
14 | 16765bb5db |
15 | bc53ce262 |
hex | 70e23c38d |
30301995917 has 2 divisors, whose sum is σ = 30301995918. Its totient is φ = 30301995916.
The previous prime is 30301995907. The next prime is 30301995923. The reversal of 30301995917 is 71959910303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26943909316 + 3358086601 = 164146^2 + 57949^2 .
It is a cyclic number.
It is not a de Polignac number, because 30301995917 - 222 = 30297801613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30301995907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150997958 + 15150997959.
It is an arithmetic number, because the mean of its divisors is an integer number (15150997959).
Almost surely, 230301995917 is an apocalyptic number.
It is an amenable number.
30301995917 is a deficient number, since it is larger than the sum of its proper divisors (1).
30301995917 is an equidigital number, since it uses as much as digits as its factorization.
30301995917 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 229635, while the sum is 47.
The spelling of 30301995917 in words is "thirty billion, three hundred one million, nine hundred ninety-five thousand, nine hundred seventeen".
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