| Base | Representation |
|---|---|
| bin | 110011000001110… |
| … | …101011001100000 |
| 3 | 2012122221100022200 |
| 4 | 303001311121200 |
| 5 | 3223131301010 |
| 6 | 220541333200 |
| 7 | 30133614261 |
| oct | 6301653140 |
| 9 | 2178840280 |
| 10 | 856118880 |
| 11 | 3aa290871 |
| 12 | 1ba867200 |
| 13 | 1084a1426 |
| 14 | 819b6968 |
| 15 | 5025ecc0 |
| hex | 33075660 |
856118880 has 144 divisors (see below), whose sum is σ = 3048645600. Its totient is φ = 218363904.
The previous prime is 856118843. The next prime is 856118881. The reversal of 856118880 is 88811658.
It is a happy number.
856118880 is a `hidden beast` number, since 8 + 561 + 1 + 8 + 8 + 80 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (856118881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20196 + ... + 46044.
It is an arithmetic number, because the mean of its divisors is an integer number (21171150).
Almost surely, 2856118880 is an apocalyptic number.
856118880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 856118880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524322800).
856118880 is an abundant number, since it is smaller than the sum of its proper divisors (2192526720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
856118880 is a wasteful number, since it uses less digits than its factorization.
856118880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25893 (or 25882 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 45.
The square root of 856118880 is about 29259.5092234986. The cubic root of 856118880 is about 949.5358323409.
The spelling of 856118880 in words is "eight hundred fifty-six million, one hundred eighteen thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •