Base | Representation |
---|---|
bin | 100101010100011111… |
… | …1000100010001001011 |
3 | 21122212102001020220202 |
4 | 1022220333010101023 |
5 | 2303113444004141 |
6 | 100452355042415 |
7 | 5535025101356 |
oct | 1125077042113 |
9 | 248772036822 |
10 | 80144516171 |
11 | 30a97543235 |
12 | 136482a040b |
13 | 7733063945 |
14 | 3c4403729d |
15 | 214101849b |
hex | 12a8fc444b |
80144516171 has 2 divisors, whose sum is σ = 80144516172. Its totient is φ = 80144516170.
The previous prime is 80144516143. The next prime is 80144516173. The reversal of 80144516171 is 17161544108.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80144516171 - 26 = 80144516107 is a prime.
Together with 80144516173, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80144516173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40072258085 + 40072258086.
It is an arithmetic number, because the mean of its divisors is an integer number (40072258086).
Almost surely, 280144516171 is an apocalyptic number.
80144516171 is a deficient number, since it is larger than the sum of its proper divisors (1).
80144516171 is an equidigital number, since it uses as much as digits as its factorization.
80144516171 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 26880, while the sum is 38.
The spelling of 80144516171 in words is "eighty billion, one hundred forty-four million, five hundred sixteen thousand, one hundred seventy-one".
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