Base | Representation |
---|---|
bin | 100101011100000011… |
… | …1001010111010100111 |
3 | 21200112002120202020001 |
4 | 1022320013022322213 |
5 | 2304123431030131 |
6 | 100533502322131 |
7 | 5544226156366 |
oct | 1127007127247 |
9 | 250462522201 |
10 | 80398298791 |
11 | 3110781a938 |
12 | 136b9289347 |
13 | 77737cbc85 |
14 | 3c69a197dd |
15 | 2158448261 |
hex | 12b81caea7 |
80398298791 has 2 divisors, whose sum is σ = 80398298792. Its totient is φ = 80398298790.
The previous prime is 80398298767. The next prime is 80398298837. The reversal of 80398298791 is 19789289308.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80398298791 - 25 = 80398298759 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80398293791) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40199149395 + 40199149396.
It is an arithmetic number, because the mean of its divisors is an integer number (40199149396).
Almost surely, 280398298791 is an apocalyptic number.
80398298791 is a deficient number, since it is larger than the sum of its proper divisors (1).
80398298791 is an equidigital number, since it uses as much as digits as its factorization.
80398298791 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15676416, while the sum is 64.
The spelling of 80398298791 in words is "eighty billion, three hundred ninety-eight million, two hundred ninety-eight thousand, seven hundred ninety-one".
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