Base | Representation |
---|---|
bin | 11010011011111101… |
… | …011101001000001110 |
3 | 2201021021222122002110 |
4 | 122123331131020032 |
5 | 431113403213400 |
6 | 21012430404450 |
7 | 2023304161134 |
oct | 323375351016 |
9 | 81237878073 |
10 | 28386382350 |
11 | 11047411227 |
12 | 5602660726 |
13 | 28a4ca1c61 |
14 | 153400b754 |
15 | b12139e50 |
hex | 69bf5d20e |
28386382350 has 24 divisors (see below), whose sum is σ = 70398228600. Its totient is φ = 7569701920.
The previous prime is 28386382313. The next prime is 28386382357. The reversal of 28386382350 is 5328368382.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28386382350.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28386382357) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94621125 + ... + 94621424.
It is an arithmetic number, because the mean of its divisors is an integer number (2933259525).
Almost surely, 228386382350 is an apocalyptic number.
28386382350 is an abundant number, since it is smaller than the sum of its proper divisors (42011846250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28386382350 is a wasteful number, since it uses less digits than its factorization.
28386382350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189242564 (or 189242559 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 48.
The spelling of 28386382350 in words is "twenty-eight billion, three hundred eighty-six million, three hundred eighty-two thousand, three hundred fifty".
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