Base | Representation |
---|---|
bin | 10111100010110110101… |
… | …11101000100010101000 |
3 | 2212100010200100010212222 |
4 | 23301123113220202220 |
5 | 101223301103224142 |
6 | 1415350550053212 |
7 | 112306306055240 |
oct | 13613327504250 |
9 | 2770120303788 |
10 | 808986773672 |
11 | 2920a8a41880 |
12 | 11095404a208 |
13 | 5b396a7872c |
14 | 2b225ad6b20 |
15 | 1609c259bd2 |
hex | bc5b5e88a8 |
808986773672 has 128 divisors (see below), whose sum is σ = 1900727009280. Its totient is φ = 313593984000.
The previous prime is 808986773669. The next prime is 808986773783. The reversal of 808986773672 is 276377689808.
808986773672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 808986773596 and 808986773605.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238567097 + ... + 238570487.
It is an arithmetic number, because the mean of its divisors is an integer number (14849429760).
Almost surely, 2808986773672 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 808986773672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950363504640).
808986773672 is an abundant number, since it is smaller than the sum of its proper divisors (1091740235608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808986773672 is a wasteful number, since it uses less digits than its factorization.
808986773672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5263 (or 5259 counting only the distinct ones).
The product of its (nonzero) digits is 341397504, while the sum is 71.
The spelling of 808986773672 in words is "eight hundred eight billion, nine hundred eighty-six million, seven hundred seventy-three thousand, six hundred seventy-two".
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