Base | Representation |
---|---|
bin | 11010101011100111… |
… | …111111101101011010 |
3 | 2201221121111202112122 |
4 | 122223213333231122 |
5 | 432133143123112 |
6 | 21054455341242 |
7 | 2032645054634 |
oct | 325347775532 |
9 | 81847452478 |
10 | 28649192282 |
11 | 111717a4217 |
12 | 5676681822 |
13 | 291757b1a9 |
14 | 155ac9da54 |
15 | b2a24e872 |
hex | 6ab9ffb5a |
28649192282 has 8 divisors (see below), whose sum is σ = 43022791956. Its totient is φ = 14308261632.
The previous prime is 28649192279. The next prime is 28649192291. The reversal of 28649192282 is 28229194682.
It can be written as a sum of positive squares in 2 ways, for example, as 26552376601 + 2096815681 = 162949^2 + 45791^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×286491922822 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8165063 + ... + 8168570.
Almost surely, 228649192282 is an apocalyptic number.
28649192282 is a deficient number, since it is larger than the sum of its proper divisors (14373599674).
28649192282 is a wasteful number, since it uses less digits than its factorization.
28649192282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16334512.
The product of its digits is 1990656, while the sum is 53.
The spelling of 28649192282 in words is "twenty-eight billion, six hundred forty-nine million, one hundred ninety-two thousand, two hundred eighty-two".
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