Base | Representation |
---|---|
bin | 10111100010101000101… |
… | …10101011110000000000 |
3 | 2212022211110212220020011 |
4 | 23301110112223300000 |
5 | 101223030441143120 |
6 | 1415331143354304 |
7 | 112303346526154 |
oct | 13612426536000 |
9 | 2768743786204 |
10 | 808869084160 |
11 | 292048568a15 |
12 | 110920752994 |
13 | 5b378580377 |
14 | 2b21421d064 |
15 | 16091c5dc5a |
hex | bc545abc00 |
808869084160 has 88 divisors (see below), whose sum is σ = 1940896064016. Its totient is φ = 323454566400.
The previous prime is 808869084139. The next prime is 808869084167. The reversal of 808869084160 is 61480968808.
It is a junction number, because it is equal to n+sod(n) for n = 808869084095 and 808869084104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808869084167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19399335 + ... + 19440985.
Almost surely, 2808869084160 is an apocalyptic number.
808869084160 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 808869084160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970448032008).
808869084160 is an abundant number, since it is smaller than the sum of its proper divisors (1132026979856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808869084160 is a wasteful number, since it uses less digits than its factorization.
808869084160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45469 (or 45451 counting only the distinct ones).
The product of its (nonzero) digits is 5308416, while the sum is 58.
The spelling of 808869084160 in words is "eight hundred eight billion, eight hundred sixty-nine million, eighty-four thousand, one hundred sixty".
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