Base | Representation |
---|---|
bin | 100101101000110110… |
… | …1110100011101110101 |
3 | 21201122000212202121001 |
4 | 1023101231310131311 |
5 | 2311013413021403 |
6 | 101044245323301 |
7 | 5560663324045 |
oct | 1132155643565 |
9 | 251560782531 |
10 | 80827860853 |
11 | 31308247203 |
12 | 137b9106531 |
13 | 78117c10cc |
14 | 3caaab7725 |
15 | 2180eeac1d |
hex | 12d1b74775 |
80827860853 has 2 divisors, whose sum is σ = 80827860854. Its totient is φ = 80827860852.
The previous prime is 80827860851. The next prime is 80827860859. The reversal of 80827860853 is 35806872808.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 72774234289 + 8053626564 = 269767^2 + 89742^2 .
It is a cyclic number.
It is not a de Polignac number, because 80827860853 - 21 = 80827860851 is a prime.
Together with 80827860851, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 80827860794 and 80827860803.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80827860851) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40413930426 + 40413930427.
It is an arithmetic number, because the mean of its divisors is an integer number (40413930427).
Almost surely, 280827860853 is an apocalyptic number.
It is an amenable number.
80827860853 is a deficient number, since it is larger than the sum of its proper divisors (1).
80827860853 is an equidigital number, since it uses as much as digits as its factorization.
80827860853 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5160960, while the sum is 55.
The spelling of 80827860853 in words is "eighty billion, eight hundred twenty-seven million, eight hundred sixty thousand, eight hundred fifty-three".
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