Base | Representation |
---|---|
bin | 110000110001110… |
… | …100111001000100 |
3 | 2010000220101221110 |
4 | 300301310321010 |
5 | 3134000234233 |
6 | 213112245020 |
7 | 26165004510 |
oct | 6061647104 |
9 | 2100811843 |
10 | 818368068 |
11 | 38aa47051 |
12 | 1aa0a0770 |
13 | 10071457b |
14 | 7a98b140 |
15 | 4bca4663 |
hex | 30c74e44 |
818368068 has 48 divisors (see below), whose sum is σ = 2183981184. Its totient is φ = 233640960.
The previous prime is 818368027. The next prime is 818368079. The reversal of 818368068 is 860863818.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139678 + ... + 145418.
It is an arithmetic number, because the mean of its divisors is an integer number (45499608).
Almost surely, 2818368068 is an apocalyptic number.
It is an amenable number.
818368068 is an abundant number, since it is smaller than the sum of its proper divisors (1365613116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
818368068 is a wasteful number, since it uses less digits than its factorization.
818368068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7452 (or 7450 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 48.
The square root of 818368068 is about 28607.1331663975. The cubic root of 818368068 is about 935.3688262472.
The spelling of 818368068 in words is "eight hundred eighteen million, three hundred sixty-eight thousand, sixty-eight".
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