Base | Representation |
---|---|
bin | 100101011001011100… |
… | …1100101110100001101 |
3 | 21200022000001000222111 |
4 | 1022302321211310031 |
5 | 2303434034243002 |
6 | 100521100144021 |
7 | 5542114662133 |
oct | 1126271456415 |
9 | 250260030874 |
10 | 80310852877 |
11 | 31072423492 |
12 | 13693b38011 |
13 | 775b662728 |
14 | 3c5c175753 |
15 | 21509233d7 |
hex | 12b2e65d0d |
80310852877 has 2 divisors, whose sum is σ = 80310852878. Its totient is φ = 80310852876.
The previous prime is 80310852833. The next prime is 80310852917. The reversal of 80310852877 is 77825801308.
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., 77624089321 + 2686763556 = 278611^2 + 51834^2 .
It is a cyclic number.
It is not a de Polignac number, because 80310852877 - 223 = 80302464269 is a prime.
It is a super-2 number, since 2×803108528772 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80310852877.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80310852977) 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, 40155426438 + 40155426439.
It is an arithmetic number, because the mean of its divisors is an integer number (40155426439).
Almost surely, 280310852877 is an apocalyptic number.
It is an amenable number.
80310852877 is a deficient number, since it is larger than the sum of its proper divisors (1).
80310852877 is an equidigital number, since it uses as much as digits as its factorization.
80310852877 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 752640, while the sum is 49.
The spelling of 80310852877 in words is "eighty billion, three hundred ten million, eight hundred fifty-two thousand, eight hundred seventy-seven".
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