Base | Representation |
---|---|
bin | 10000100010100101… |
… | …10100010011010001 |
3 | 211220212102210210212 |
4 | 20101102310103101 |
5 | 121141300030311 |
6 | 4025054533505 |
7 | 433025302205 |
oct | 102122642321 |
9 | 24825383725 |
10 | 8880080081 |
11 | 3847634664 |
12 | 1879b07295 |
13 | ab6983972 |
14 | 60351ab05 |
15 | 36e8dec8b |
hex | 2114b44d1 |
8880080081 has 4 divisors (see below), whose sum is σ = 8880356772. Its totient is φ = 8879803392.
The previous prime is 8880080059. The next prime is 8880080087. The reversal of 8880080081 is 1800800888.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5070721681 + 3809358400 = 71209^2 + 61720^2 .
It is a cyclic number.
It is not a de Polignac number, because 8880080081 - 218 = 8879817937 is a prime.
It is a super-2 number, since 2×88800800812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8880080087) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 82760 + ... + 156873.
It is an arithmetic number, because the mean of its divisors is an integer number (2220089193).
Almost surely, 28880080081 is an apocalyptic number.
It is an amenable number.
8880080081 is a deficient number, since it is larger than the sum of its proper divisors (276691).
8880080081 is a wasteful number, since it uses less digits than its factorization.
8880080081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276690.
The product of its (nonzero) digits is 32768, while the sum is 41.
The square root of 8880080081 is about 94234.1768203023. The cubic root of 8880080081 is about 2070.8038357859.
The spelling of 8880080081 in words is "eight billion, eight hundred eighty million, eighty thousand, eighty-one".
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