Base | Representation |
---|---|
bin | 1001101000100… |
… | …00100010101011 |
3 | 12122001110212212 |
4 | 10310100202223 |
5 | 131141324412 |
6 | 12003555335 |
7 | 2000600102 |
oct | 464204253 |
9 | 178043785 |
10 | 80808107 |
11 | 41683366 |
12 | 2308bb4b |
13 | 13984163 |
14 | aa37039 |
15 | 7163222 |
hex | 4d108ab |
80808107 has 2 divisors, whose sum is σ = 80808108. Its totient is φ = 80808106.
The previous prime is 80808071. The next prime is 80808109. The reversal of 80808107 is 70180808.
Together with previous prime (80808071) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80808107 - 26 = 80808043 is a prime.
Together with 80808109, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p4713809 and since 80808107 and 4713809 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (80808109) 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, 40404053 + 40404054.
It is an arithmetic number, because the mean of its divisors is an integer number (40404054).
Almost surely, 280808107 is an apocalyptic number.
80808107 is a deficient number, since it is larger than the sum of its proper divisors (1).
80808107 is an equidigital number, since it uses as much as digits as its factorization.
80808107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3584, while the sum is 32.
The square root of 80808107 is about 8989.3329563433. The cubic root of 80808107 is about 432.3329248753.
The spelling of 80808107 in words is "eighty million, eight hundred eight thousand, one hundred seven".
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