Base | Representation |
---|---|
bin | 11010110111111010… |
… | …000101101110111111 |
3 | 2202110222021012020201 |
4 | 122313322011232333 |
5 | 433043421342033 |
6 | 21131140224331 |
7 | 2041026452461 |
oct | 326772055677 |
9 | 82428235221 |
10 | 28855262143 |
11 | 11268052594 |
12 | 571369b0a7 |
13 | 294b17c216 |
14 | 157a3c2131 |
15 | b3d3a747d |
hex | 6b7e85bbf |
28855262143 has 2 divisors, whose sum is σ = 28855262144. Its totient is φ = 28855262142.
The previous prime is 28855262119. The next prime is 28855262147. The reversal of 28855262143 is 34126255882.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28855262143 - 225 = 28821707711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28855262093 and 28855262102.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28855262147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14427631071 + 14427631072.
It is an arithmetic number, because the mean of its divisors is an integer number (14427631072).
Almost surely, 228855262143 is an apocalyptic number.
28855262143 is a deficient number, since it is larger than the sum of its proper divisors (1).
28855262143 is an equidigital number, since it uses as much as digits as its factorization.
28855262143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 921600, while the sum is 46.
The spelling of 28855262143 in words is "twenty-eight billion, eight hundred fifty-five million, two hundred sixty-two thousand, one hundred forty-three".
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