Base | Representation |
---|---|
bin | 111111100011111000… |
… | …101101101100011011 |
3 | 20112011022021200210100 |
4 | 333203320231230123 |
5 | 2104232414222244 |
6 | 51204055150443 |
7 | 4634146524354 |
oct | 774370555433 |
9 | 215138250710 |
10 | 68247804699 |
11 | 26a42119888 |
12 | 11288075423 |
13 | 65884246b9 |
14 | 3436024d2b |
15 | 1b9689bb69 |
hex | fe3e2db1b |
68247804699 has 24 divisors (see below), whose sum is σ = 109872631440. Its totient is φ = 40568352768.
The previous prime is 68247804671. The next prime is 68247804743. The reversal of 68247804699 is 99640874286.
It is not a de Polignac number, because 68247804699 - 27 = 68247804571 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68247804629) 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 in 23 ways as a sum of consecutive naturals, for example, 11735622 + ... + 11741435.
It is an arithmetic number, because the mean of its divisors is an integer number (4578026310).
Almost surely, 268247804699 is an apocalyptic number.
68247804699 is a deficient number, since it is larger than the sum of its proper divisors (41624826741).
68247804699 is a wasteful number, since it uses less digits than its factorization.
68247804699 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23477099 (or 23477096 counting only the distinct ones).
The product of its (nonzero) digits is 41803776, while the sum is 63.
The spelling of 68247804699 in words is "sixty-eight billion, two hundred forty-seven million, eight hundred four thousand, six hundred ninety-nine".
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