Base | Representation |
---|---|
bin | 111110101001011… |
… | …1010101111100010 |
3 | 12102111111022110110 |
4 | 1331102322233202 |
5 | 13301120024302 |
6 | 544331312150 |
7 | 103043436042 |
oct | 17522725742 |
9 | 5374438413 |
10 | 2102111202 |
11 | 989650294 |
12 | 4a7bab656 |
13 | 276679aa9 |
14 | 15d279722 |
15 | c4832b6c |
hex | 7d4babe2 |
2102111202 has 32 divisors (see below), whose sum is σ = 4265369280. Its totient is φ = 690583040.
The previous prime is 2102111191. The next prime is 2102111267. The reversal of 2102111202 is 2021112012.
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 15 ways as a sum of consecutive naturals, for example, 112702 + ... + 130022.
It is an arithmetic number, because the mean of its divisors is an integer number (133292790).
Almost surely, 22102111202 is an apocalyptic number.
2102111202 is an abundant number, since it is smaller than the sum of its proper divisors (2163258078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102111202 is a wasteful number, since it uses less digits than its factorization.
2102111202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17618.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2102111202 is about 45848.7862652873. The cubic root of 2102111202 is about 1281.0081579725.
Adding to 2102111202 its reverse (2021112012), we get a palindrome (4123223214).
It can be divided in two parts, 21021 and 11202, that added together give a palindrome (32223).
The spelling of 2102111202 in words is "two billion, one hundred two million, one hundred eleven thousand, two hundred two".
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