Base | Representation |
---|---|
bin | 111111110010000011… |
… | …110111111000000011 |
3 | 20112202212202111201112 |
4 | 333302003313320003 |
5 | 2110224304023021 |
6 | 51243432153535 |
7 | 4643065042256 |
oct | 776203677003 |
9 | 215685674645 |
10 | 68485611011 |
11 | 27054384224 |
12 | 113338388ab |
13 | 65c5787bac |
14 | 345984909d |
15 | 1bac6c2d5b |
hex | ff20f7e03 |
68485611011 has 2 divisors, whose sum is σ = 68485611012. Its totient is φ = 68485611010.
The previous prime is 68485610929. The next prime is 68485611023. The reversal of 68485611011 is 11011658486.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68485611011 - 226 = 68418502147 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68485611011.
It is not a weakly prime, because it can be changed into another prime (68485611211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34242805505 + 34242805506.
It is an arithmetic number, because the mean of its divisors is an integer number (34242805506).
Almost surely, 268485611011 is an apocalyptic number.
68485611011 is a deficient number, since it is larger than the sum of its proper divisors (1).
68485611011 is an equidigital number, since it uses as much as digits as its factorization.
68485611011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46080, while the sum is 41.
The spelling of 68485611011 in words is "sixty-eight billion, four hundred eighty-five million, six hundred eleven thousand, eleven".
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