Base | Representation |
---|---|
bin | 100101010101101011… |
… | …1000110011001100101 |
3 | 21122222012001002011201 |
4 | 1022223113012121211 |
5 | 2303204144331124 |
6 | 100500341202501 |
7 | 5536020622525 |
oct | 1125327063145 |
9 | 248865032151 |
10 | 80184370789 |
11 | 31007a94636 |
12 | 13659700431 |
13 | 773b3a9263 |
14 | 3c4944d685 |
15 | 214478c144 |
hex | 12ab5c6665 |
80184370789 has 2 divisors, whose sum is σ = 80184370790. Its totient is φ = 80184370788.
The previous prime is 80184370699. The next prime is 80184370813. The reversal of 80184370789 is 98707348108.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66817080100 + 13367290689 = 258490^2 + 115617^2 .
It is a cyclic number.
It is not a de Polignac number, because 80184370789 - 223 = 80175982181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80184370289) 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, 40092185394 + 40092185395.
It is an arithmetic number, because the mean of its divisors is an integer number (40092185395).
Almost surely, 280184370789 is an apocalyptic number.
It is an amenable number.
80184370789 is a deficient number, since it is larger than the sum of its proper divisors (1).
80184370789 is an equidigital number, since it uses as much as digits as its factorization.
80184370789 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2709504, while the sum is 55.
The spelling of 80184370789 in words is "eighty billion, one hundred eighty-four million, three hundred seventy thousand, seven hundred eighty-nine".
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