Base | Representation |
---|---|
bin | 1100110110110011000100… |
… | …00111000010010111011011 |
3 | 10201002200201000101020112121 |
4 | 12123121202013002113123 |
5 | 12201143223403113024 |
6 | 140043323520522111 |
7 | 5645343504310444 |
oct | 633314207022733 |
9 | 121080630336477 |
10 | 28271120754139 |
11 | 900a79570372a |
12 | 3207171180337 |
13 | 12a0c558aab23 |
14 | 6da4883b62cb |
15 | 3405e3e668e4 |
hex | 19b6621c25db |
28271120754139 has 2 divisors, whose sum is σ = 28271120754140. Its totient is φ = 28271120754138.
The previous prime is 28271120754113. The next prime is 28271120754169. The reversal of 28271120754139 is 93145702117282.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28271120754139 - 29 = 28271120753627 is a prime.
It is not a weakly prime, because it can be changed into another prime (28271120754169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14135560377069 + 14135560377070.
It is an arithmetic number, because the mean of its divisors is an integer number (14135560377070).
Almost surely, 228271120754139 is an apocalyptic number.
28271120754139 is a deficient number, since it is larger than the sum of its proper divisors (1).
28271120754139 is an equidigital number, since it uses as much as digits as its factorization.
28271120754139 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1693440, while the sum is 52.
The spelling of 28271120754139 in words is "twenty-eight trillion, two hundred seventy-one billion, one hundred twenty million, seven hundred fifty-four thousand, one hundred thirty-nine".
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