Base | Representation |
---|---|
bin | 100101011000100011… |
… | …1101101101110001011 |
3 | 21200012220212101200121 |
4 | 1022301013231232023 |
5 | 2303403414011333 |
6 | 100514112244111 |
7 | 5541303151021 |
oct | 1126107555613 |
9 | 250186771617 |
10 | 80281000843 |
11 | 3105759418a |
12 | 13685b40637 |
13 | 775540cbc4 |
14 | 3c58204711 |
15 | 214cec832d |
hex | 12b11edb8b |
80281000843 has 2 divisors, whose sum is σ = 80281000844. Its totient is φ = 80281000842.
The previous prime is 80281000783. The next prime is 80281000867. The reversal of 80281000843 is 34800018208.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80281000843 - 213 = 80280992651 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80281000799 and 80281000808.
It is not a weakly prime, because it can be changed into another prime (80281000873) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40140500421 + 40140500422.
It is an arithmetic number, because the mean of its divisors is an integer number (40140500422).
Almost surely, 280281000843 is an apocalyptic number.
80281000843 is a deficient number, since it is larger than the sum of its proper divisors (1).
80281000843 is an equidigital number, since it uses as much as digits as its factorization.
80281000843 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12288, while the sum is 34.
The spelling of 80281000843 in words is "eighty billion, two hundred eighty-one million, eight hundred forty-three", and thus it is an aban number.
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