Base | Representation |
---|---|
bin | 111111110000110110… |
… | …100000011010010011 |
3 | 20112201110121010010222 |
4 | 333300312200122103 |
5 | 2110204111023221 |
6 | 51241425343255 |
7 | 4642430462354 |
oct | 776066403223 |
9 | 215643533128 |
10 | 68465329811 |
11 | 270439916aa |
12 | 11328a97b2b |
13 | 65c1506798 |
14 | 3456c89d2b |
15 | 1baaa189ab |
hex | ff0da0693 |
68465329811 has 2 divisors, whose sum is σ = 68465329812. Its totient is φ = 68465329810.
The previous prime is 68465329759. The next prime is 68465329819. The reversal of 68465329811 is 11892356486.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68465329811 - 210 = 68465328787 is a prime.
It is a super-2 number, since 2×684653298112 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (68465329819) by changing a digit.
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 as a sum of consecutive naturals, namely, 34232664905 + 34232664906.
It is an arithmetic number, because the mean of its divisors is an integer number (34232664906).
Almost surely, 268465329811 is an apocalyptic number.
68465329811 is a deficient number, since it is larger than the sum of its proper divisors (1).
68465329811 is an equidigital number, since it uses as much as digits as its factorization.
68465329811 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2488320, while the sum is 53.
The spelling of 68465329811 in words is "sixty-eight billion, four hundred sixty-five million, three hundred twenty-nine thousand, eight hundred eleven".
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