Base | Representation |
---|---|
bin | 11010001010010010… |
… | …111000111000111011 |
3 | 2200111122022102022000 |
4 | 122022102320320323 |
5 | 430012020324240 |
6 | 20523202232043 |
7 | 2013045104241 |
oct | 321222707073 |
9 | 80448272260 |
10 | 28090011195 |
11 | 10a05096194 |
12 | 553b355623 |
13 | 2858774acc |
14 | 1506900791 |
15 | ae60e6430 |
hex | 68a4b8e3b |
28090011195 has 32 divisors (see below), whose sum is σ = 50015616000. Its totient is φ = 14957993952.
The previous prime is 28090011181. The next prime is 28090011197. The reversal of 28090011195 is 59111009082.
It is not a de Polignac number, because 28090011195 - 216 = 28089945659 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28090011197) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74995 + ... + 248604.
It is an arithmetic number, because the mean of its divisors is an integer number (1562988000).
Almost surely, 228090011195 is an apocalyptic number.
28090011195 is a deficient number, since it is larger than the sum of its proper divisors (21925604805).
28090011195 is a wasteful number, since it uses less digits than its factorization.
28090011195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324256 (or 324250 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 36.
The spelling of 28090011195 in words is "twenty-eight billion, ninety million, eleven thousand, one hundred ninety-five".
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