Base | Representation |
---|---|
bin | 1001110101000100010… |
… | …1111110010110111111 |
3 | 121010212102212110102002 |
4 | 2131101011332112333 |
5 | 10231313221321213 |
6 | 205324122452515 |
7 | 15125420254424 |
oct | 2352105762677 |
9 | 533772773362 |
10 | 168864245183 |
11 | 65684511827 |
12 | 2888836413b |
13 | 12c01867c0a |
14 | 825ccabd4b |
15 | 45d4ca0658 |
hex | 275117e5bf |
168864245183 has 2 divisors, whose sum is σ = 168864245184. Its totient is φ = 168864245182.
The previous prime is 168864245171. The next prime is 168864245239. The reversal of 168864245183 is 381542468861.
It is an a-pointer prime, because the next prime (168864245239) can be obtained adding 168864245183 to its sum of digits (56).
It is a weak prime.
It is an emirp because it is prime and its reverse (381542468861) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 168864245183 - 212 = 168864241087 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (168864245983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84432122591 + 84432122592.
It is an arithmetic number, because the mean of its divisors is an integer number (84432122592).
Almost surely, 2168864245183 is an apocalyptic number.
168864245183 is a deficient number, since it is larger than the sum of its proper divisors (1).
168864245183 is an equidigital number, since it uses as much as digits as its factorization.
168864245183 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8847360, while the sum is 56.
The spelling of 168864245183 in words is "one hundred sixty-eight billion, eight hundred sixty-four million, two hundred forty-five thousand, one hundred eighty-three".
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