Base | Representation |
---|---|
bin | 100101101000000100… |
… | …0101001110101111101 |
3 | 21201120011222101220202 |
4 | 1023100020221311331 |
5 | 2310440120401142 |
6 | 101041501053245 |
7 | 5560222031102 |
oct | 1132010516575 |
9 | 251504871822 |
10 | 80801340797 |
11 | 312a4283301 |
12 | 137b0257225 |
13 | 7809167078 |
14 | 3ca7372aa9 |
15 | 217da0d032 |
hex | 12d0229d7d |
80801340797 has 2 divisors, whose sum is σ = 80801340798. Its totient is φ = 80801340796.
The previous prime is 80801340751. The next prime is 80801340827. The reversal of 80801340797 is 79704310808.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45972076921 + 34829263876 = 214411^2 + 186626^2 .
It is a cyclic number.
It is not a de Polignac number, because 80801340797 - 224 = 80784563581 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80801343797) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40400670398 + 40400670399.
It is an arithmetic number, because the mean of its divisors is an integer number (40400670399).
Almost surely, 280801340797 is an apocalyptic number.
It is an amenable number.
80801340797 is a deficient number, since it is larger than the sum of its proper divisors (1).
80801340797 is an equidigital number, since it uses as much as digits as its factorization.
80801340797 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 338688, while the sum is 47.
The spelling of 80801340797 in words is "eighty billion, eight hundred one million, three hundred forty thousand, seven hundred ninety-seven".
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