Base | Representation |
---|---|
bin | 11010011100110111… |
… | …111111101010010110 |
3 | 2201022100212021120102 |
4 | 122130313333222112 |
5 | 431131320300100 |
6 | 21014135334102 |
7 | 2023551464105 |
oct | 323467775226 |
9 | 81270767512 |
10 | 28401728150 |
11 | 11055042804 |
12 | 5607821332 |
13 | 28a8215b03 |
14 | 153608403c |
15 | b1366bcd5 |
hex | 69cdffa96 |
28401728150 has 24 divisors (see below), whose sum is σ = 52864470624. Its totient is φ = 11352679200.
The previous prime is 28401728141. The next prime is 28401728167. The reversal of 28401728150 is 5182710482.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128441 + ... + 270740.
It is an arithmetic number, because the mean of its divisors is an integer number (2202686276).
Almost surely, 228401728150 is an apocalyptic number.
28401728150 is a deficient number, since it is larger than the sum of its proper divisors (24462742474).
28401728150 is a wasteful number, since it uses less digits than its factorization.
28401728150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400616 (or 400611 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 38.
The spelling of 28401728150 in words is "twenty-eight billion, four hundred one million, seven hundred twenty-eight thousand, one hundred fifty".
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