Base | Representation |
---|---|
bin | 11010001001011011… |
… | …010100101011011111 |
3 | 2200110121220101011210 |
4 | 122021123110223133 |
5 | 424444303214314 |
6 | 20521522115503 |
7 | 2012510226132 |
oct | 321133245337 |
9 | 80417811153 |
10 | 28075444959 |
11 | 109a7947381 |
12 | 55364abb93 |
13 | 2855744a33 |
14 | 15049cc219 |
15 | ae4bba559 |
hex | 6896d4adf |
28075444959 has 16 divisors (see below), whose sum is σ = 38043532800. Its totient is φ = 18414048576.
The previous prime is 28075444951. The next prime is 28075444961. The reversal of 28075444959 is 95944457082.
It is not a de Polignac number, because 28075444959 - 23 = 28075444951 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28075444899 and 28075444908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28075444951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176374 + ... + 295395.
It is an arithmetic number, because the mean of its divisors is an integer number (2377720800).
Almost surely, 228075444959 is an apocalyptic number.
28075444959 is a deficient number, since it is larger than the sum of its proper divisors (9968087841).
28075444959 is a wasteful number, since it uses less digits than its factorization.
28075444959 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 472094.
The product of its (nonzero) digits is 14515200, while the sum is 57.
The spelling of 28075444959 in words is "twenty-eight billion, seventy-five million, four hundred forty-four thousand, nine hundred fifty-nine".
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