Base | Representation |
---|---|
bin | 1111000011010000… |
… | …10011101010001101 |
3 | 202212010201012211001 |
4 | 13201220103222031 |
5 | 113022041012211 |
6 | 3413451100301 |
7 | 404145220300 |
oct | 74150235215 |
9 | 22763635731 |
10 | 8080407181 |
11 | 34771a7570 |
12 | 1696141691 |
13 | 9ba0b6932 |
14 | 569238b37 |
15 | 3245ceac1 |
hex | 1e1a13a8d |
8080407181 has 24 divisors (see below), whose sum is σ = 10260673056. Its totient is φ = 6292429920.
The previous prime is 8080407169. The next prime is 8080407193. The reversal of 8080407181 is 1817040808.
8080407181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (8080407169) and next prime (8080407193).
It is a de Polignac number, because none of the positive numbers 2k-8080407181 is a prime.
It is a super-2 number, since 2×80804071812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8080407181.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8080401181) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072630 + ... + 1080136.
It is an arithmetic number, because the mean of its divisors is an integer number (427528044).
Almost surely, 28080407181 is an apocalyptic number.
It is an amenable number.
8080407181 is a deficient number, since it is larger than the sum of its proper divisors (2180265875).
8080407181 is a wasteful number, since it uses less digits than its factorization.
8080407181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9529 (or 9522 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 37.
The square root of 8080407181 is about 89891.0851030290. The cubic root of 8080407181 is about 2006.6782739248.
Adding to 8080407181 its reverse (1817040808), we get a palindrome (9897447989).
The spelling of 8080407181 in words is "eight billion, eighty million, four hundred seven thousand, one hundred eighty-one".
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