Base | Representation |
---|---|
bin | 11010111111100010… |
… | …010011000010001111 |
3 | 2202210220002021211120 |
4 | 122333202103002033 |
5 | 433324202233040 |
6 | 21151551252023 |
7 | 2044142333265 |
oct | 327742230217 |
9 | 82726067746 |
10 | 28983242895 |
11 | 11323315402 |
12 | 574a51a013 |
13 | 296b83b889 |
14 | 158d3b8435 |
15 | b497377d0 |
hex | 6bf89308f |
28983242895 has 16 divisors (see below), whose sum is σ = 47159176320. Its totient is φ = 15195733664.
The previous prime is 28983242891. The next prime is 28983242917. The reversal of 28983242895 is 59824238982.
It is a cyclic number.
It is not a de Polignac number, because 28983242895 - 22 = 28983242891 is a prime.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28983242891) 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 in 15 ways as a sum of consecutive naturals, for example, 16373829 + ... + 16375598.
It is an arithmetic number, because the mean of its divisors is an integer number (2947448520).
Almost surely, 228983242895 is an apocalyptic number.
28983242895 is a deficient number, since it is larger than the sum of its proper divisors (18175933425).
28983242895 is a wasteful number, since it uses less digits than its factorization.
28983242895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32749494.
The product of its digits is 19906560, while the sum is 60.
The spelling of 28983242895 in words is "twenty-eight billion, nine hundred eighty-three million, two hundred forty-two thousand, eight hundred ninety-five".
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