Base | Representation |
---|---|
bin | 10100000100100011011… |
… | …11010110010100101011 |
3 | 2102221002012002120012022 |
4 | 22002101233112110223 |
5 | 42244340302012013 |
6 | 1244452143535055 |
7 | 100552630140020 |
oct | 12022157262453 |
9 | 2387065076168 |
10 | 689639875883 |
11 | 246524805052 |
12 | b17a6bba48b |
13 | 50056c9039a |
14 | 255433db547 |
15 | 12e147b1008 |
hex | a091bd652b |
689639875883 has 16 divisors (see below), whose sum is σ = 796316072640. Its totient is φ = 585007920000.
The previous prime is 689639875877. The next prime is 689639875921. The reversal of 689639875883 is 388578936986.
It is not a de Polignac number, because 689639875883 - 28 = 689639875627 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 689639875798 and 689639875807.
It is not an unprimeable number, because it can be changed into a prime (689639875853) 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 15 ways as a sum of consecutive naturals, for example, 1389233 + ... + 1819133.
It is an arithmetic number, because the mean of its divisors is an integer number (49769754540).
Almost surely, 2689639875883 is an apocalyptic number.
689639875883 is a deficient number, since it is larger than the sum of its proper divisors (106676196757).
689639875883 is a wasteful number, since it uses less digits than its factorization.
689639875883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432278.
The product of its digits is 3762339840, while the sum is 80.
The spelling of 689639875883 in words is "six hundred eighty-nine billion, six hundred thirty-nine million, eight hundred seventy-five thousand, eight hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •