Base | Representation |
---|---|
bin | 11010001011100111… |
… | …110111000000001111 |
3 | 2200120012020002012002 |
4 | 122023213313000033 |
5 | 430033221120321 |
6 | 20525315502515 |
7 | 2013435325436 |
oct | 321347670017 |
9 | 80505202162 |
10 | 28112285711 |
11 | 10a1671a384 |
12 | 55468b7a3b |
13 | 28602735b3 |
14 | 150985c11d |
15 | ae804620b |
hex | 68b9f700f |
28112285711 has 2 divisors, whose sum is σ = 28112285712. Its totient is φ = 28112285710.
The previous prime is 28112285701. The next prime is 28112285743. The reversal of 28112285711 is 11758221182.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28112285711 - 210 = 28112284687 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28112285701) 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, 14056142855 + 14056142856.
It is an arithmetic number, because the mean of its divisors is an integer number (14056142856).
Almost surely, 228112285711 is an apocalyptic number.
28112285711 is a deficient number, since it is larger than the sum of its proper divisors (1).
28112285711 is an equidigital number, since it uses as much as digits as its factorization.
28112285711 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 17920, while the sum is 38.
The spelling of 28112285711 in words is "twenty-eight billion, one hundred twelve million, two hundred eighty-five thousand, seven hundred eleven".
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