Base | Representation |
---|---|
bin | 1100101011011000… |
… | …11011110100000101 |
3 | 122120100110222222002 |
4 | 12111230123310011 |
5 | 102414420430431 |
6 | 3043221115045 |
7 | 330445423151 |
oct | 62554336405 |
9 | 18510428862 |
10 | 6806420741 |
11 | 298305770a |
12 | 139b558a85 |
13 | 8461892c3 |
14 | 487d6a061 |
15 | 29c82c3cb |
hex | 195b1bd05 |
6806420741 has 2 divisors, whose sum is σ = 6806420742. Its totient is φ = 6806420740.
The previous prime is 6806420737. The next prime is 6806420759. The reversal of 6806420741 is 1470246086.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3466736641 + 3339684100 = 58879^2 + 57790^2 .
It is a cyclic number.
It is not a de Polignac number, because 6806420741 - 22 = 6806420737 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 6806420695 and 6806420704.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6806422741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403210370 + 3403210371.
It is an arithmetic number, because the mean of its divisors is an integer number (3403210371).
Almost surely, 26806420741 is an apocalyptic number.
It is an amenable number.
6806420741 is a deficient number, since it is larger than the sum of its proper divisors (1).
6806420741 is an equidigital number, since it uses as much as digits as its factorization.
6806420741 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 6806420741 is about 82501.0347874498. The cubic root of 6806420741 is about 1895.1325773815.
The spelling of 6806420741 in words is "six billion, eight hundred six million, four hundred twenty thousand, seven hundred forty-one".
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