Base | Representation |
---|---|
bin | 111111110101110111… |
… | …111100110111011010 |
3 | 20112221100011012200120 |
4 | 333311313330313122 |
5 | 2110342144011321 |
6 | 51254035414110 |
7 | 4644502640304 |
oct | 776567746732 |
9 | 215840135616 |
10 | 68549594586 |
11 | 27087506010 |
12 | 11351154336 |
13 | 6605acb0b5 |
14 | 3464142974 |
15 | 1bb3110ec6 |
hex | ff5dfcdda |
68549594586 has 32 divisors (see below), whose sum is σ = 149633243136. Its totient is φ = 20762814000.
The previous prime is 68549594551. The next prime is 68549594593.
It is a happy number.
68549594586 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×685495945862 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 68549594586.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103050 + ... + 384341.
It is an arithmetic number, because the mean of its divisors is an integer number (4676038848).
Almost surely, 268549594586 is an apocalyptic number.
68549594586 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68549594586 is an abundant number, since it is smaller than the sum of its proper divisors (81083648550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68549594586 is a wasteful number, since it uses less digits than its factorization.
68549594586 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 489538.
The product of its digits is 373248000, while the sum is 69.
The spelling of 68549594586 in words is "sixty-eight billion, five hundred forty-nine million, five hundred ninety-four thousand, five hundred eighty-six".
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