Base | Representation |
---|---|
bin | 100101101000110000… |
… | …0000000111010011010 |
3 | 21201121210001220012201 |
4 | 1023101200000322122 |
5 | 2311012001214233 |
6 | 101044040000414 |
7 | 5560620501655 |
oct | 1132140007232 |
9 | 251553056181 |
10 | 80824241818 |
11 | 313061a5171 |
12 | 137b7a6010a |
13 | 7810b24a78 |
14 | 3caa41489c |
15 | 2180a3377d |
hex | 12d1800e9a |
80824241818 has 36 divisors (see below), whose sum is σ = 124446001374. Its totient is φ = 39365904000.
The previous prime is 80824241767. The next prime is 80824241819. The reversal of 80824241818 is 81814242808.
It can be written as a sum of positive squares in 3 ways, for example, as 78656128849 + 2168112969 = 280457^2 + 46563^2 .
It is not an unprimeable number, because it can be changed into a prime (80824241819) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 335370178 + ... + 335370418.
Almost surely, 280824241818 is an apocalyptic number.
80824241818 is a deficient number, since it is larger than the sum of its proper divisors (43621759556).
80824241818 is an equidigital number, since it uses as much as digits as its factorization.
80824241818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 751 (or 427 counting only the distinct ones).
The product of its (nonzero) digits is 262144, while the sum is 46.
The spelling of 80824241818 in words is "eighty billion, eight hundred twenty-four million, two hundred forty-one thousand, eight hundred eighteen".
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