Base | Representation |
---|---|
bin | 11010001001111010… |
… | …001101000000111011 |
3 | 2200111012010122112010 |
4 | 122021322031000323 |
5 | 430003341240102 |
6 | 20522411421003 |
7 | 2012636102664 |
oct | 321172150073 |
9 | 80435118463 |
10 | 28083540027 |
11 | 10a01476314 |
12 | 5539154763 |
13 | 285731a50a |
14 | 1505ad836b |
15 | ae5768d6c |
hex | 689e8d03b |
28083540027 has 16 divisors (see below), whose sum is σ = 37549214208. Its totient is φ = 18670186080.
The previous prime is 28083539987. The next prime is 28083540047. The reversal of 28083540027 is 72004538082.
It is not a de Polignac number, because 28083540027 - 216 = 28083474491 is a prime.
It is a super-2 number, since 2×280835400272 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28083540047) 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 15 ways as a sum of consecutive naturals, for example, 1666948 + ... + 1683710.
It is an arithmetic number, because the mean of its divisors is an integer number (2346825888).
Almost surely, 228083540027 is an apocalyptic number.
28083540027 is a deficient number, since it is larger than the sum of its proper divisors (9465674181).
28083540027 is a wasteful number, since it uses less digits than its factorization.
28083540027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18290.
The product of its (nonzero) digits is 107520, while the sum is 39.
The spelling of 28083540027 in words is "twenty-eight billion, eighty-three million, five hundred forty thousand, twenty-seven".
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