Base | Representation |
---|---|
bin | 10011110100010000110… |
… | …00111100001011010110 |
3 | 2102002111121102220002010 |
4 | 21322020120330023112 |
5 | 42123432111301321 |
6 | 1240444205325050 |
7 | 100123110422223 |
oct | 11721030741326 |
9 | 2362447386063 |
10 | 680893072086 |
11 | 24284642a987 |
12 | abb65866786 |
13 | 4c291b01536 |
14 | 24d5389494a |
15 | 12aa194a676 |
hex | 9e8863c2d6 |
680893072086 has 16 divisors (see below), whose sum is σ = 1364059584000. Its totient is φ = 226585450728.
The previous prime is 680893072019. The next prime is 680893072117. The reversal of 680893072086 is 680270398086.
It is a super-2 number, since 2×6808930720862 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 94722766 + ... + 94729953.
It is an arithmetic number, because the mean of its divisors is an integer number (85253724000).
Almost surely, 2680893072086 is an apocalyptic number.
680893072086 is an abundant number, since it is smaller than the sum of its proper divisors (683166511914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680893072086 is a wasteful number, since it uses less digits than its factorization.
680893072086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189453323.
The product of its (nonzero) digits is 6967296, while the sum is 57.
The spelling of 680893072086 in words is "six hundred eighty billion, eight hundred ninety-three million, seventy-two thousand, eighty-six".
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