Base | Representation |
---|---|
bin | 11010011110001110… |
… | …110011000100010001 |
3 | 2201100221200100110221 |
4 | 122132032303010101 |
5 | 431203131424324 |
6 | 21020311153041 |
7 | 2024246056042 |
oct | 323616630421 |
9 | 81327610427 |
10 | 28424483089 |
11 | 11066974942 |
12 | 5613375781 |
13 | 28acb52182 |
14 | 15390c88c9 |
15 | b156640e4 |
hex | 69e3b3111 |
28424483089 has 4 divisors (see below), whose sum is σ = 30096511524. Its totient is φ = 26752454656.
The previous prime is 28424483071. The next prime is 28424483119. The reversal of 28424483089 is 98038442482.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15243606225 + 13180876864 = 123465^2 + 114808^2 .
It is a cyclic number.
It is not a de Polignac number, because 28424483089 - 29 = 28424482577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28424483069) 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 in 3 ways as a sum of consecutive naturals, for example, 836014192 + ... + 836014225.
It is an arithmetic number, because the mean of its divisors is an integer number (7524127881).
Almost surely, 228424483089 is an apocalyptic number.
It is an amenable number.
28424483089 is a deficient number, since it is larger than the sum of its proper divisors (1672028435).
28424483089 is a wasteful number, since it uses less digits than its factorization.
28424483089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1672028434.
The product of its (nonzero) digits is 3538944, while the sum is 52.
The spelling of 28424483089 in words is "twenty-eight billion, four hundred twenty-four million, four hundred eighty-three thousand, eighty-nine".
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