Base | Representation |
---|---|
bin | 11110111111000110111100… |
… | …01001100010001010010000 |
3 | 22221021000220012210211022000 |
4 | 33133203132021202022100 |
5 | 32412342323041144122 |
6 | 400530355345514000 |
7 | 20231613061363605 |
oct | 1737433611421220 |
9 | 287230805724260 |
10 | 68139088224912 |
11 | 1a790696a14351 |
12 | 778598a942900 |
13 | 2c03647177443 |
14 | 12b7d414a06ac |
15 | 7d26c26840ac |
hex | 3df8de262290 |
68139088224912 has 80 divisors (see below), whose sum is σ = 195726872023680. Its totient is φ = 22696486581888.
The previous prime is 68139088224829. The next prime is 68139088224923. The reversal of 68139088224912 is 21942288093186.
68139088224912 is a `hidden beast` number, since 6 + 8 + 1 + 390 + 8 + 8 + 224 + 9 + 12 = 666.
68139088224912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 68139088224912.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 56846548 + ... + 58032819.
It is an arithmetic number, because the mean of its divisors is an integer number (2446585900296).
Almost surely, 268139088224912 is an apocalyptic number.
It is an amenable number.
68139088224912 is an abundant number, since it is smaller than the sum of its proper divisors (127587783798768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68139088224912 is a wasteful number, since it uses less digits than its factorization.
68139088224912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114880757 (or 114880745 counting only the distinct ones).
The product of its (nonzero) digits is 23887872, while the sum is 63.
The spelling of 68139088224912 in words is "sixty-eight trillion, one hundred thirty-nine billion, eighty-eight million, two hundred twenty-four thousand, nine hundred twelve".
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