Base | Representation |
---|---|
bin | 10011110100010001101… |
… | …00010111000010111010 |
3 | 2102002112002222002002010 |
4 | 21322020310113002322 |
5 | 42123440431310101 |
6 | 1240445023350350 |
7 | 100123225500300 |
oct | 11721064270272 |
9 | 2362462862063 |
10 | 680900260026 |
11 | 24284a49a328 |
12 | abb681523b6 |
13 | 4c29344a15c |
14 | 24d54806270 |
15 | 12aa23ba2d6 |
hex | 9e88d170ba |
680900260026 has 24 divisors (see below), whose sum is σ = 1584135299520. Its totient is φ = 194542931352.
The previous prime is 680900260021. The next prime is 680900260037. The reversal of 680900260026 is 620062009086.
It is not an unprimeable number, because it can be changed into a prime (680900260021) 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 in 11 ways as a sum of consecutive naturals, for example, 1157993346 + ... + 1157993933.
It is an arithmetic number, because the mean of its divisors is an integer number (66005637480).
Almost surely, 2680900260026 is an apocalyptic number.
680900260026 is an abundant number, since it is smaller than the sum of its proper divisors (903235039494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680900260026 is a wasteful number, since it uses less digits than its factorization.
680900260026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2315987298 (or 2315987291 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 39.
The spelling of 680900260026 in words is "six hundred eighty billion, nine hundred million, two hundred sixty thousand, twenty-six".
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