Base | Representation |
---|---|
bin | 1111000011010011… |
… | …10011100101010000 |
3 | 202212011110011202212 |
4 | 13201221303211100 |
5 | 113022141100310 |
6 | 3413503331252 |
7 | 404151444623 |
oct | 74151634520 |
9 | 22764404685 |
10 | 8080800080 |
11 | 3477445781 |
12 | 16962b0b28 |
13 | 9ba1c3712 |
14 | 5692dbdba |
15 | 32465b205 |
hex | 1e1a73950 |
8080800080 has 40 divisors (see below), whose sum is σ = 18848329344. Its totient is φ = 3221916800.
The previous prime is 8080800053. The next prime is 8080800083. The reversal of 8080800080 is 800080808.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8080800083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137516 + ... + 187275.
Almost surely, 28080800080 is an apocalyptic number.
8080800080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8080800080 is an abundant number, since it is smaller than the sum of its proper divisors (10767529264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8080800080 is a wasteful number, since it uses less digits than its factorization.
8080800080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325115 (or 325109 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 32.
The square root of 8080800080 is about 89893.2704934023. The cubic root of 8080800080 is about 2006.7107974141.
Adding to 8080800080 its reverse (800080808), we get a palindrome (8880880888).
The spelling of 8080800080 in words is "eight billion, eighty million, eight hundred thousand, eighty".
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