Base | Representation |
---|---|
bin | 11010001011101110… |
… | …111100101111011111 |
3 | 2200120022201111120212 |
4 | 122023232330233133 |
5 | 430034210103343 |
6 | 20525423403035 |
7 | 2013460166024 |
oct | 321356745737 |
9 | 80508644525 |
10 | 28114144223 |
11 | 10a17779740 |
12 | 554745347b |
13 | 28607744c9 |
14 | 1509bc354b |
15 | ae82b1c18 |
hex | 68bbbcbdf |
28114144223 has 16 divisors (see below), whose sum is σ = 30926085120. Its totient is φ = 25345610400.
The previous prime is 28114144217. The next prime is 28114144243. The reversal of 28114144223 is 32244141182.
It is not a de Polignac number, because 28114144223 - 212 = 28114140127 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28114144223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28114144243) 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, 773993 + ... + 809501.
It is an arithmetic number, because the mean of its divisors is an integer number (1932880320).
Almost surely, 228114144223 is an apocalyptic number.
28114144223 is a deficient number, since it is larger than the sum of its proper divisors (2811940897).
28114144223 is a wasteful number, since it uses less digits than its factorization.
28114144223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36118.
The product of its digits is 12288, while the sum is 32.
The spelling of 28114144223 in words is "twenty-eight billion, one hundred fourteen million, one hundred forty-four thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •