Base | Representation |
---|---|
bin | 1001110100110001010… |
… | …0000011111001110101 |
3 | 121010122211222012210212 |
4 | 2131030110003321311 |
5 | 10231132204124304 |
6 | 205312135555205 |
7 | 15123424524521 |
oct | 2351424037165 |
9 | 533584865725 |
10 | 168784051829 |
11 | 65643219328 |
12 | 2886552bb05 |
13 | 12bbb06a823 |
14 | 8252394d81 |
15 | 45ccc0e66e |
hex | 274c503e75 |
168784051829 has 6 divisors (see below), whose sum is σ = 179296553634. Its totient is φ = 158855577920.
The previous prime is 168784051817. The next prime is 168784051841. The reversal of 168784051829 is 928150487861.
168784051829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (168784051817) and next prime (168784051841).
It can be written as a sum of positive squares in 3 ways, for example, as 101598375025 + 67185676804 = 318745^2 + 259202^2 .
It is not a de Polignac number, because 168784051829 - 232 = 164489084533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168784051729) 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 in 5 ways as a sum of consecutive naturals, for example, 292013642 + ... + 292014219.
It is an arithmetic number, because the mean of its divisors is an integer number (29882758939).
Almost surely, 2168784051829 is an apocalyptic number.
It is an amenable number.
168784051829 is a deficient number, since it is larger than the sum of its proper divisors (10512501805).
168784051829 is an equidigital number, since it uses as much as digits as its factorization.
168784051829 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 584027895 (or 584027878 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 59.
The spelling of 168784051829 in words is "one hundred sixty-eight billion, seven hundred eighty-four million, fifty-one thousand, eight hundred twenty-nine".
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