Base | Representation |
---|---|
bin | 11010011110011010… |
… | …010101001101110010 |
3 | 2201101011100221212211 |
4 | 122132122111031302 |
5 | 431204420202141 |
6 | 21020500042334 |
7 | 2024313550555 |
oct | 323632251562 |
9 | 81334327784 |
10 | 28427506546 |
11 | 1106864a46a |
12 | 56143933aa |
13 | 28b06703ba |
14 | 153967469c |
15 | b15a5ed81 |
hex | 69e695372 |
28427506546 has 8 divisors (see below), whose sum is σ = 42644738304. Its totient is φ = 14212593780.
The previous prime is 28427506543. The next prime is 28427506553. The reversal of 28427506546 is 64560572482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 28427506546.
It is not an unprimeable number, because it can be changed into a prime (28427506543) 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 3 ways as a sum of consecutive naturals, for example, 548770 + ... + 598333.
It is an arithmetic number, because the mean of its divisors is an integer number (5330592288).
Almost surely, 228427506546 is an apocalyptic number.
28427506546 is a deficient number, since it is larger than the sum of its proper divisors (14217231758).
28427506546 is a wasteful number, since it uses less digits than its factorization.
28427506546 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1159496.
The product of its (nonzero) digits is 3225600, while the sum is 49.
The spelling of 28427506546 in words is "twenty-eight billion, four hundred twenty-seven million, five hundred six thousand, five hundred forty-six".
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