Base | Representation |
---|---|
bin | 1001101000100… |
… | …00100011100011 |
3 | 12122001110221221 |
4 | 10310100203203 |
5 | 131141330123 |
6 | 12003555511 |
7 | 2000600212 |
oct | 464204343 |
9 | 178043857 |
10 | 80808163 |
11 | 41683407 |
12 | 2308bb97 |
13 | 139841a7 |
14 | aa37079 |
15 | 716325d |
hex | 4d108e3 |
80808163 has 2 divisors, whose sum is σ = 80808164. Its totient is φ = 80808162.
The previous prime is 80808139. The next prime is 80808179. The reversal of 80808163 is 36180808.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80808163 - 29 = 80807651 is a prime.
It is not a weakly prime, because it can be changed into another prime (80808193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404081 + 40404082.
It is an arithmetic number, because the mean of its divisors is an integer number (40404082).
Almost surely, 280808163 is an apocalyptic number.
80808163 is a deficient number, since it is larger than the sum of its proper divisors (1).
80808163 is an equidigital number, since it uses as much as digits as its factorization.
80808163 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 80808163 is about 8989.3360711456. The cubic root of 80808163 is about 432.3330247442. Note that the first 3 decimals are identical.
The spelling of 80808163 in words is "eighty million, eight hundred eight thousand, one hundred sixty-three".
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