Base | Representation |
---|---|
bin | 11010001010111101… |
… | …001110101011000010 |
3 | 2200112102012022122010 |
4 | 122022331032223002 |
5 | 430022341013331 |
6 | 20524240153350 |
7 | 2013241332522 |
oct | 321275165302 |
9 | 80472168563 |
10 | 28101110466 |
11 | 10a10387240 |
12 | 5543008856 |
13 | 285ab5cb20 |
14 | 150818d682 |
15 | ae7089e46 |
hex | 68af4eac2 |
28101110466 has 128 divisors (see below), whose sum is σ = 73592064000. Its totient is φ = 7008629760.
The previous prime is 28101110459. The next prime is 28101110467. The reversal of 28101110466 is 66401110182.
It is not an unprimeable number, because it can be changed into a prime (28101110467) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226435 + ... + 327833.
It is an arithmetic number, because the mean of its divisors is an integer number (574938000).
Almost surely, 228101110466 is an apocalyptic number.
28101110466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 28101110466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36796032000).
28101110466 is an abundant number, since it is smaller than the sum of its proper divisors (45490953534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28101110466 is a wasteful number, since it uses less digits than its factorization.
28101110466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101464.
The product of its (nonzero) digits is 2304, while the sum is 30.
The spelling of 28101110466 in words is "twenty-eight billion, one hundred one million, one hundred ten thousand, four hundred sixty-six".
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