Base | Representation |
---|---|
bin | 11010110111101101… |
… | …111001000010100001 |
3 | 2202110202020201210102 |
4 | 122313231321002201 |
5 | 433042112030132 |
6 | 21130543512145 |
7 | 2040660333611 |
oct | 326755710241 |
9 | 82422221712 |
10 | 28852064417 |
11 | 11266269040 |
12 | 57125b8655 |
13 | 294a5cc887 |
14 | 1579bcca41 |
15 | b3ce74c62 |
hex | 6b7b790a1 |
28852064417 has 32 divisors (see below), whose sum is σ = 33311416320. Its totient is φ = 24742428480.
The previous prime is 28852064389. The next prime is 28852064453. The reversal of 28852064417 is 71446025882.
It is a de Polignac number, because none of the positive numbers 2k-28852064417 is a prime.
It is a super-2 number, since 2×288520644172 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28852064497) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 10898588 + ... + 10901234.
It is an arithmetic number, because the mean of its divisors is an integer number (1040981760).
Almost surely, 228852064417 is an apocalyptic number.
It is an amenable number.
28852064417 is a deficient number, since it is larger than the sum of its proper divisors (4459351903).
28852064417 is a wasteful number, since it uses less digits than its factorization.
28852064417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3461.
The product of its (nonzero) digits is 860160, while the sum is 47.
The spelling of 28852064417 in words is "twenty-eight billion, eight hundred fifty-two million, sixty-four thousand, four hundred seventeen".
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