Base | Representation |
---|---|
bin | 100101010010101100… |
… | …0001110111010001001 |
3 | 21122201012011221111100 |
4 | 1022211120032322021 |
5 | 2303003001120424 |
6 | 100442354052013 |
7 | 5533361543436 |
oct | 1124530167211 |
9 | 248635157440 |
10 | 80084004489 |
11 | 30a66372985 |
12 | 1362bb7a009 |
13 | 7723667b08 |
14 | 3c39da4b8d |
15 | 213aa63dc9 |
hex | 12a560ee89 |
80084004489 has 12 divisors (see below), whose sum is σ = 115679353972. Its totient is φ = 53388201600.
The previous prime is 80084004443. The next prime is 80084004527. The reversal of 80084004489 is 98440048008.
It can be written as a sum of positive squares in 2 ways, for example, as 32600108025 + 47483896464 = 180555^2 + 217908^2 .
It is not a de Polignac number, because 80084004489 - 212 = 80084000393 is a prime.
It is a super-2 number, since 2×800840044892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80084004439) 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 11 ways as a sum of consecutive naturals, for example, 741069 + ... + 842229.
Almost surely, 280084004489 is an apocalyptic number.
It is an amenable number.
80084004489 is a deficient number, since it is larger than the sum of its proper divisors (35595349483).
80084004489 is a wasteful number, since it uses less digits than its factorization.
80084004489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189128 (or 189125 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 45.
The spelling of 80084004489 in words is "eighty billion, eighty-four million, four thousand, four hundred eighty-nine".
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