Base | Representation |
---|---|
bin | 100000000011101100… |
… | …0111100000000000100 |
3 | 20120200211002211122220 |
4 | 1000013120330000010 |
5 | 2111442411020333 |
6 | 51343134052340 |
7 | 4655001464535 |
oct | 1000730740004 |
9 | 216624084586 |
10 | 68843454468 |
11 | 27218376318 |
12 | 1141364a0b0 |
13 | 6651959199 |
14 | 349119868c |
15 | 1bcdd0a8b3 |
hex | 100763c004 |
68843454468 has 24 divisors (see below), whose sum is σ = 160790259168. Its totient is φ = 22925599296.
The previous prime is 68843454431. The next prime is 68843454539. The reversal of 68843454468 is 86445434886.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764446 + ... + 2789237.
It is an arithmetic number, because the mean of its divisors is an integer number (6699594132).
Almost surely, 268843454468 is an apocalyptic number.
It is an amenable number.
68843454468 is an abundant number, since it is smaller than the sum of its proper divisors (91946804700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68843454468 is a wasteful number, since it uses less digits than its factorization.
68843454468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5554723 (or 5554721 counting only the distinct ones).
The product of its digits is 70778880, while the sum is 60.
The spelling of 68843454468 in words is "sixty-eight billion, eight hundred forty-three million, four hundred fifty-four thousand, four hundred sixty-eight".
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