Base | Representation |
---|---|
bin | 11010011011111001… |
… | …111011100011001110 |
3 | 2201021020020200122102 |
4 | 122123321323203032 |
5 | 431113134132012 |
6 | 21012354515102 |
7 | 2023263262301 |
oct | 323371734316 |
9 | 81236220572 |
10 | 28385458382 |
11 | 11046940016 |
12 | 5602295a92 |
13 | 28a4a3a528 |
14 | 1533c4ab38 |
15 | b120062c2 |
hex | 69be7b8ce |
28385458382 has 16 divisors (see below), whose sum is σ = 45142857792. Its totient is φ = 13340064000.
The previous prime is 28385458351. The next prime is 28385458391.
28385458382 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530303 + ... + 581370.
It is an arithmetic number, because the mean of its divisors is an integer number (2821428612).
Almost surely, 228385458382 is an apocalyptic number.
28385458382 is a deficient number, since it is larger than the sum of its proper divisors (16757399410).
28385458382 is a wasteful number, since it uses less digits than its factorization.
28385458382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1112443.
The product of its digits is 14745600, while the sum is 56.
The spelling of 28385458382 in words is "twenty-eight billion, three hundred eighty-five million, four hundred fifty-eight thousand, three hundred eighty-two".
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