Base | Representation |
---|---|
bin | 11010100100011001… |
… | …111101010000010110 |
3 | 2201122011121012100020 |
4 | 122210121331100112 |
5 | 431411141243302 |
6 | 21034451330010 |
7 | 2026644415464 |
oct | 324431752026 |
9 | 81564535306 |
10 | 28528071702 |
11 | 1110a397569 |
12 | 5641bb0906 |
13 | 28c8451200 |
14 | 1548b71834 |
15 | b1e7c6ebc |
hex | 6a467d416 |
28528071702 has 96 divisors (see below), whose sum is σ = 65201875200. Its totient is φ = 8294472576.
The previous prime is 28528071697. The next prime is 28528071713. The reversal of 28528071702 is 20717082582.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8456088 + ... + 8459460.
It is an arithmetic number, because the mean of its divisors is an integer number (679186200).
Almost surely, 228528071702 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28528071702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32600937600).
28528071702 is an abundant number, since it is smaller than the sum of its proper divisors (36673803498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28528071702 is a wasteful number, since it uses less digits than its factorization.
28528071702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3862 (or 3849 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 42.
The spelling of 28528071702 in words is "twenty-eight billion, five hundred twenty-eight million, seventy-one thousand, seven hundred two".
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