Base | Representation |
---|---|
bin | 1111000011010011… |
… | …10100000100100000 |
3 | 202212011110021111221 |
4 | 13201221310010200 |
5 | 113022141131310 |
6 | 3413503344424 |
7 | 404151453511 |
oct | 74151640440 |
9 | 22764407457 |
10 | 8080802080 |
11 | 347744722a |
12 | 16962b2114 |
13 | 9ba1c45c0 |
14 | 5692dca08 |
15 | 32465bada |
hex | 1e1a74120 |
8080802080 has 48 divisors (see below), whose sum is σ = 20559430584. Its totient is φ = 2983680000.
The previous prime is 8080802071. The next prime is 8080802123. The reversal of 8080802080 is 802080808.
It can be written as a sum of positive squares in 4 ways, for example, as 5780256784 + 2300545296 = 76028^2 + 47964^2 .
It is a super-2 number, since 2×80808020802 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1940421 + ... + 1944580.
Almost surely, 28080802080 is an apocalyptic number.
8080802080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8080802080 is an abundant number, since it is smaller than the sum of its proper divisors (12478628504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8080802080 is a wasteful number, since it uses less digits than its factorization.
8080802080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3885029 (or 3885021 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 34.
The square root of 8080802080 is about 89893.2816177049. The cubic root of 8080802080 is about 2006.7109629679.
Adding to 8080802080 its reverse (802080808), we get a palindrome (8882882888).
The spelling of 8080802080 in words is "eight billion, eighty million, eight hundred two thousand, eighty".
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