Base | Representation |
---|---|
bin | 101010010001110100… |
… | …1100111001100100111 |
3 | 22200100110222000210221 |
4 | 1110203221213030213 |
5 | 2441420330033411 |
6 | 105413124425211 |
7 | 6362630605165 |
oct | 1244351471447 |
9 | 280313860727 |
10 | 90792424231 |
11 | 35560a58153 |
12 | 1571a248207 |
13 | 873c051b62 |
14 | 4574254235 |
15 | 2565c09071 |
hex | 1523a67327 |
90792424231 has 2 divisors, whose sum is σ = 90792424232. Its totient is φ = 90792424230.
The previous prime is 90792424201. The next prime is 90792424319. The reversal of 90792424231 is 13242429709.
It is a weak prime.
It is an emirp because it is prime and its reverse (13242429709) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 90792424231 - 211 = 90792422183 is a prime.
It is a super-2 number, since 2×907924242312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (90792424201) 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, 45396212115 + 45396212116.
It is an arithmetic number, because the mean of its divisors is an integer number (45396212116).
Almost surely, 290792424231 is an apocalyptic number.
90792424231 is a deficient number, since it is larger than the sum of its proper divisors (1).
90792424231 is an equidigital number, since it uses as much as digits as its factorization.
90792424231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 217728, while the sum is 43.
The spelling of 90792424231 in words is "ninety billion, seven hundred ninety-two million, four hundred twenty-four thousand, two hundred thirty-one".
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