Base | Representation |
---|---|
bin | 11010001111010010… |
… | …100011001010101110 |
3 | 2200201110222202022120 |
4 | 122033102203022232 |
5 | 430144443331202 |
6 | 20535354253410 |
7 | 2015113263543 |
oct | 321722431256 |
9 | 80643882276 |
10 | 28173808302 |
11 | 10a484201a2 |
12 | 5563427266 |
13 | 286cc345b3 |
14 | 1513ab4bca |
15 | aed64a0bc |
hex | 68f4a32ae |
28173808302 has 8 divisors (see below), whose sum is σ = 56347616616. Its totient is φ = 9391269432.
The previous prime is 28173808261. The next prime is 28173808367. The reversal of 28173808302 is 20380837182.
It is a sphenic number, since it is the product of 3 distinct primes.
28173808302 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347817353 + ... + 2347817364.
It is an arithmetic number, because the mean of its divisors is an integer number (7043452077).
Almost surely, 228173808302 is an apocalyptic number.
28173808302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28173808302 is a wasteful number, since it uses less digits than its factorization.
28173808302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4695634722.
The product of its (nonzero) digits is 129024, while the sum is 42.
The spelling of 28173808302 in words is "twenty-eight billion, one hundred seventy-three million, eight hundred eight thousand, three hundred two".
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