Base | Representation |
---|---|
bin | 11010011110001111… |
… | …101010111000010100 |
3 | 2201100222002222002000 |
4 | 122132033222320110 |
5 | 431203211233300 |
6 | 21020320115300 |
7 | 2024251030410 |
oct | 323617527024 |
9 | 81328088060 |
10 | 28424711700 |
11 | 11067010680 |
12 | 5613465b30 |
13 | 28acc02248 |
14 | 1539147d40 |
15 | b156abc00 |
hex | 69e3eae14 |
28424711700 has 576 divisors, whose sum is σ = 116392550400. Its totient is φ = 5778777600.
The previous prime is 28424711699. The next prime is 28424711753. The reversal of 28424711700 is 711742482.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
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 191 ways as a sum of consecutive naturals, for example, 9769846 + ... + 9772754.
It is an arithmetic number, because the mean of its divisors is an integer number (202070400).
Almost surely, 228424711700 is an apocalyptic number.
28424711700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28424711700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58196275200).
28424711700 is an abundant number, since it is smaller than the sum of its proper divisors (87967838700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28424711700 is a wasteful number, since it uses less digits than its factorization.
28424711700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2997 (or 2984 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The spelling of 28424711700 in words is "twenty-eight billion, four hundred twenty-four million, seven hundred eleven thousand, seven hundred".
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