Base | Representation |
---|---|
bin | 100000000001000111… |
… | …0111011010111110111 |
3 | 20120110210022200010101 |
4 | 1000002032323113313 |
5 | 2111303234210000 |
6 | 51330403534531 |
7 | 4652601245530 |
oct | 1000216732767 |
9 | 216423280111 |
10 | 68756944375 |
11 | 27183558a79 |
12 | 113aa68a447 |
13 | 6639a59892 |
14 | 34838b9687 |
15 | 1bc641ce6a |
hex | 10023bb5f7 |
68756944375 has 20 divisors (see below), whose sum is σ = 98192780752. Its totient is φ = 47147616000.
The previous prime is 68756944369. The next prime is 68756944387. The reversal of 68756944375 is 57344965786.
It is not a de Polignac number, because 68756944375 - 27 = 68756944247 is a prime.
It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7853562 + ... + 7862311.
Almost surely, 268756944375 is an apocalyptic number.
68756944375 is a deficient number, since it is larger than the sum of its proper divisors (29435836377).
68756944375 is an equidigital number, since it uses as much as digits as its factorization.
68756944375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15715900 (or 15715885 counting only the distinct ones).
The product of its digits is 152409600, while the sum is 64.
The spelling of 68756944375 in words is "sixty-eight billion, seven hundred fifty-six million, nine hundred forty-four thousand, three hundred seventy-five".
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