Base | Representation |
---|---|
bin | 1010001010011101… |
… | …0011001100001110 |
3 | 21001010121111012210 |
4 | 2202213103030032 |
5 | 21041410224324 |
6 | 1130415011250 |
7 | 124415261361 |
oct | 24247231416 |
9 | 7033544183 |
10 | 2728211214 |
11 | 1180005513 |
12 | 641809b26 |
13 | 3462b3481 |
14 | 1bc4980d8 |
15 | 10e7a8d29 |
hex | a29d330e |
2728211214 has 16 divisors (see below), whose sum is σ = 5545872720. Its totient is φ = 894495360.
The previous prime is 2728211191. The next prime is 2728211231. The reversal of 2728211214 is 4121128272.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3726699 + ... + 3727430.
It is an arithmetic number, because the mean of its divisors is an integer number (346617045).
Almost surely, 22728211214 is an apocalyptic number.
2728211214 is an abundant number, since it is smaller than the sum of its proper divisors (2817661506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2728211214 is a wasteful number, since it uses less digits than its factorization.
2728211214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7454195.
The product of its digits is 3584, while the sum is 30.
The square root of 2728211214 is about 52232.2813401827. The cubic root of 2728211214 is about 1397.3096656969.
Adding to 2728211214 its reverse (4121128272), we get a palindrome (6849339486).
The spelling of 2728211214 in words is "two billion, seven hundred twenty-eight million, two hundred eleven thousand, two hundred fourteen".
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