Base | Representation |
---|---|
bin | 11010101000000111… |
… | …111111101101010000 |
3 | 2201210112000110110222 |
4 | 122220013333231100 |
5 | 432023130101031 |
6 | 21045001012212 |
7 | 2031333000551 |
oct | 325007775520 |
9 | 81715013428 |
10 | 28590472016 |
11 | 11141637877 |
12 | 565aa84068 |
13 | 290835b882 |
14 | 1553176328 |
15 | b25000e7b |
hex | 6a81ffb50 |
28590472016 has 20 divisors (see below), whose sum is σ = 55538683392. Its totient is φ = 14257908576.
The previous prime is 28590472003. The next prime is 28590472019. The reversal of 28590472016 is 61027409582.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28590472019) 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 3 ways as a sum of consecutive naturals, for example, 2326646 + ... + 2338901.
Almost surely, 228590472016 is an apocalyptic number.
It is an amenable number.
28590472016 is a deficient number, since it is larger than the sum of its proper divisors (26948211376).
28590472016 is a wasteful number, since it uses less digits than its factorization.
28590472016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4665938 (or 4665932 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 28590472016 in words is "twenty-eight billion, five hundred ninety million, four hundred seventy-two thousand, sixteen".
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