Base | Representation |
---|---|
bin | 11010001110111001… |
… | …010100010010011001 |
3 | 2200201000112200212021 |
4 | 122032321110102121 |
5 | 430141300200003 |
6 | 20535000414441 |
7 | 2015003124256 |
oct | 321671242231 |
9 | 80630480767 |
10 | 28167193753 |
11 | 10a44712626 |
12 | 5561177421 |
13 | 286b75996a |
14 | 1512c7242d |
15 | aecc902bd |
hex | 68ee54499 |
28167193753 has 2 divisors, whose sum is σ = 28167193754. Its totient is φ = 28167193752.
The previous prime is 28167193751. The next prime is 28167193771. The reversal of 28167193753 is 35739176182.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15552085264 + 12615108489 = 124708^2 + 112317^2 .
It is a cyclic number.
It is not a de Polignac number, because 28167193753 - 21 = 28167193751 is a prime.
Together with 28167193751, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 28167193753.
It is not a weakly prime, because it can be changed into another prime (28167193751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14083596876 + 14083596877.
It is an arithmetic number, because the mean of its divisors is an integer number (14083596877).
Almost surely, 228167193753 is an apocalyptic number.
It is an amenable number.
28167193753 is a deficient number, since it is larger than the sum of its proper divisors (1).
28167193753 is an equidigital number, since it uses as much as digits as its factorization.
28167193753 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1905120, while the sum is 52.
The spelling of 28167193753 in words is "twenty-eight billion, one hundred sixty-seven million, one hundred ninety-three thousand, seven hundred fifty-three".
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