Base | Representation |
---|---|
bin | 111111101110010100… |
… | …100101000110110101 |
3 | 20112121111201112022100 |
4 | 333232110211012311 |
5 | 2110112224203332 |
6 | 51233311452313 |
7 | 4641403620111 |
oct | 775624450665 |
9 | 215544645270 |
10 | 68422881717 |
11 | 27021a29833 |
12 | 11316827099 |
13 | 65b5793878 |
14 | 345139a741 |
15 | 1ba6e3167c |
hex | fee5251b5 |
68422881717 has 24 divisors (see below), whose sum is σ = 99536905728. Its totient is φ = 45290700000.
The previous prime is 68422881713. The next prime is 68422881721. The reversal of 68422881717 is 71718822486.
It is an interprime number because it is at equal distance from previous prime (68422881713) and next prime (68422881721).
It is not a de Polignac number, because 68422881717 - 22 = 68422881713 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68422881713) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2996092 + ... + 3018842.
It is an arithmetic number, because the mean of its divisors is an integer number (4147371072).
Almost surely, 268422881717 is an apocalyptic number.
It is an amenable number.
68422881717 is a deficient number, since it is larger than the sum of its proper divisors (31114024011).
68422881717 is a wasteful number, since it uses less digits than its factorization.
68422881717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25121 (or 25118 counting only the distinct ones).
The product of its digits is 2408448, while the sum is 54.
The spelling of 68422881717 in words is "sixty-eight billion, four hundred twenty-two million, eight hundred eighty-one thousand, seven hundred seventeen".
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