Base | Representation |
---|---|
bin | 11111010010000100010111… |
… | …10101100011011111111111 |
3 | 100000120022102011112221120222 |
4 | 33221002023311203133333 |
5 | 33004031012311103144 |
6 | 402145534443131555 |
7 | 20326644523464206 |
oct | 1751021365433777 |
9 | 300508364487528 |
10 | 68790542284799 |
11 | 1aa119a5832685 |
12 | 7870099513bbb |
13 | 2c4cbc6ba041a |
14 | 12db6a121a23d |
15 | 7e45ee8692ee |
hex | 3e908bd637ff |
68790542284799 has 2 divisors, whose sum is σ = 68790542284800. Its totient is φ = 68790542284798.
The previous prime is 68790542284781. The next prime is 68790542284829. The reversal of 68790542284799 is 99748224509786.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68790542284799 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68790542284199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34395271142399 + 34395271142400.
It is an arithmetic number, because the mean of its divisors is an integer number (34395271142400).
Almost surely, 268790542284799 is an apocalyptic number.
68790542284799 is a deficient number, since it is larger than the sum of its proper divisors (1).
68790542284799 is an equidigital number, since it uses as much as digits as its factorization.
68790542284799 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4389396480, while the sum is 80.
The spelling of 68790542284799 in words is "sixty-eight trillion, seven hundred ninety billion, five hundred forty-two million, two hundred eighty-four thousand, seven hundred ninety-nine".
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