Base | Representation |
---|---|
bin | 1101000111111001010010… |
… | …00110001010011010010101 |
3 | 10210011212000200200220110121 |
4 | 12203330221012022122111 |
5 | 12240304330113240224 |
6 | 141213240214351541 |
7 | 6035651245653202 |
oct | 643745106123225 |
9 | 123155020626417 |
10 | 28858574743189 |
11 | 9216942112534 |
12 | 32a0b9a35b5b1 |
13 | 131447622bbc9 |
14 | 71aa9630aca9 |
15 | 350a2765cbe4 |
hex | 1a3f2918a695 |
28858574743189 has 4 divisors (see below), whose sum is σ = 29289299739424. Its totient is φ = 28427849746956.
The previous prime is 28858574743153. The next prime is 28858574743211. The reversal of 28858574743189 is 98134747585882.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28858574743189 - 233 = 28849984808597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28858574749189) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215362498017 + ... + 215362498150.
It is an arithmetic number, because the mean of its divisors is an integer number (7322324934856).
Almost surely, 228858574743189 is an apocalyptic number.
It is an amenable number.
28858574743189 is a deficient number, since it is larger than the sum of its proper divisors (430724996235).
28858574743189 is an equidigital number, since it uses as much as digits as its factorization.
28858574743189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430724996234.
The product of its digits is 4335206400, while the sum is 79.
The spelling of 28858574743189 in words is "twenty-eight trillion, eight hundred fifty-eight billion, five hundred seventy-four million, seven hundred forty-three thousand, one hundred eighty-nine".
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