Base | Representation |
---|---|
bin | 11010101101001011… |
… | …110011111000100100 |
3 | 2202000102202010111100 |
4 | 122231023303320210 |
5 | 432211342430434 |
6 | 21101232240100 |
7 | 2033413344351 |
oct | 325513637044 |
9 | 82012663440 |
10 | 28675358244 |
11 | 11185546085 |
12 | 56833a0030 |
13 | 291cb10000 |
14 | 1560551628 |
15 | b2c6bc699 |
hex | 6ad2f3e24 |
28675358244 has 135 divisors (see below), whose sum is σ = 78998158967. Its totient is φ = 8770353696.
The previous prime is 28675358233. The next prime is 28675358251. The reversal of 28675358244 is 44285357682.
The square root of 28675358244 is 169338.
It is a perfect power (a square), and thus also a powerful number.
28675358244 is a `hidden beast` number, since 2 + 8 + 6 + 7 + 53 + 582 + 4 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 14217700644 + 14457657600 = 119238^2 + 120240^2 .
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 171708649 + ... + 171708815.
Almost surely, 228675358244 is an apocalyptic number.
28675358244 is the 169338-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28675358244
28675358244 is an abundant number, since it is smaller than the sum of its proper divisors (50322800723).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28675358244 is an equidigital number, since it uses as much as digits as its factorization.
28675358244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396 (or 185 counting only the distinct ones).
The product of its digits is 12902400, while the sum is 54.
The spelling of 28675358244 in words is "twenty-eight billion, six hundred seventy-five million, three hundred fifty-eight thousand, two hundred forty-four".
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