Base | Representation |
---|---|
bin | 10000111011000001… |
… | …01000111111110111 |
3 | 212110011002100210002 |
4 | 20131200220333313 |
5 | 122101231433031 |
6 | 4101255421515 |
7 | 441064325033 |
oct | 103540507767 |
9 | 25404070702 |
10 | 9085030391 |
11 | 3942298888 |
12 | 191668489b |
13 | b1a282238 |
14 | 62282b1c3 |
15 | 3828c5ccb |
hex | 21d828ff7 |
9085030391 has 2 divisors, whose sum is σ = 9085030392. Its totient is φ = 9085030390.
The previous prime is 9085030373. The next prime is 9085030399. The reversal of 9085030391 is 1930305809.
It is a strong prime.
It is an emirp because it is prime and its reverse (1930305809) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9085030391 - 210 = 9085029367 is a prime.
It is a super-2 number, since 2×90850303912 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9085030399) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4542515195 + 4542515196.
It is an arithmetic number, because the mean of its divisors is an integer number (4542515196).
Almost surely, 29085030391 is an apocalyptic number.
9085030391 is a deficient number, since it is larger than the sum of its proper divisors (1).
9085030391 is an equidigital number, since it uses as much as digits as its factorization.
9085030391 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 9085030391 is about 95315.4257767335. The cubic root of 9085030391 is about 2086.6140539046.
The spelling of 9085030391 in words is "nine billion, eighty-five million, thirty thousand, three hundred ninety-one".
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