Base | Representation |
---|---|
bin | 1100101111101101011001… |
… | …10101011111110101101001 |
3 | 10200020102000221022121022022 |
4 | 12113312230311133311221 |
5 | 12133200421143432333 |
6 | 135335403420434225 |
7 | 5621632045230224 |
oct | 627665465376551 |
9 | 120212027277268 |
10 | 28027561311593 |
11 | 8a26470757638 |
12 | 3187b196a8975 |
13 | 1283cabc5979c |
14 | 6cc7810d45bb |
15 | 3390db7aac98 |
hex | 197dacd5fd69 |
28027561311593 has 2 divisors, whose sum is σ = 28027561311594. Its totient is φ = 28027561311592.
The previous prime is 28027561311569. The next prime is 28027561311613. The reversal of 28027561311593 is 39511316572082.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27830351600704 + 197209710889 = 5275448^2 + 444083^2 .
It is a cyclic number.
It is not a de Polignac number, because 28027561311593 - 228 = 28027292876137 is a prime.
It is not a weakly prime, because it can be changed into another prime (28027561311793) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013780655796 + 14013780655797.
It is an arithmetic number, because the mean of its divisors is an integer number (14013780655797).
Almost surely, 228027561311593 is an apocalyptic number.
It is an amenable number.
28027561311593 is a deficient number, since it is larger than the sum of its proper divisors (1).
28027561311593 is an equidigital number, since it uses as much as digits as its factorization.
28027561311593 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2721600, while the sum is 53.
The spelling of 28027561311593 in words is "twenty-eight trillion, twenty-seven billion, five hundred sixty-one million, three hundred eleven thousand, five hundred ninety-three".
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