Base | Representation |
---|---|
bin | 11010011011110111… |
… | …001101101110001111 |
3 | 2201021011220111222002 |
4 | 122123313031232033 |
5 | 431112443341013 |
6 | 21012331342515 |
7 | 2023254235430 |
oct | 323367155617 |
9 | 81234814862 |
10 | 28384746383 |
11 | 110464a4094 |
12 | 5601bb1a3b |
13 | 28a484b426 |
14 | 1533b03487 |
15 | b11e15358 |
hex | 69bdcdb8f |
28384746383 has 16 divisors (see below), whose sum is σ = 33201315840. Its totient is φ = 23758824096.
The previous prime is 28384746329. The next prime is 28384746463. The reversal of 28384746383 is 38364748382.
It is not a de Polignac number, because 28384746383 - 214 = 28384729999 is a prime.
It is a Smith number, since the sum of its digits (56) 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 (28384746883) 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 in 15 ways as a sum of consecutive naturals, for example, 2112041 + ... + 2125437.
It is an arithmetic number, because the mean of its divisors is an integer number (2075082240).
Almost surely, 228384746383 is an apocalyptic number.
28384746383 is a deficient number, since it is larger than the sum of its proper divisors (4816569457).
28384746383 is a wasteful number, since it uses less digits than its factorization.
28384746383 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20486.
The product of its digits is 18579456, while the sum is 56.
The spelling of 28384746383 in words is "twenty-eight billion, three hundred eighty-four million, seven hundred forty-six thousand, three hundred eighty-three".
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