Base | Representation |
---|---|
bin | 111111101001000000… |
… | …110000010000101011 |
3 | 20112101022002122000211 |
4 | 333221000300100223 |
5 | 2104421423022233 |
6 | 51220410241551 |
7 | 4636242463111 |
oct | 775100602053 |
9 | 215338078024 |
10 | 68333798443 |
11 | 26a86714199 |
12 | 112b0a262b7 |
13 | 65a01a2c81 |
14 | 344360bab1 |
15 | 1b9e1d65cd |
hex | fe903042b |
68333798443 has 2 divisors, whose sum is σ = 68333798444. Its totient is φ = 68333798442.
The previous prime is 68333798437. The next prime is 68333798447. The reversal of 68333798443 is 34489733386.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68333798443 is a prime.
It is not a weakly prime, because it can be changed into another prime (68333798447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34166899221 + 34166899222.
It is an arithmetic number, because the mean of its divisors is an integer number (34166899222).
Almost surely, 268333798443 is an apocalyptic number.
68333798443 is a deficient number, since it is larger than the sum of its proper divisors (1).
68333798443 is an equidigital number, since it uses as much as digits as its factorization.
68333798443 is an evil number, because the sum of its binary digits is even.
The product of its digits is 31352832, while the sum is 58.
The spelling of 68333798443 in words is "sixty-eight billion, three hundred thirty-three million, seven hundred ninety-eight thousand, four hundred forty-three".
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