Base | Representation |
---|---|
bin | 10010110100001001… |
… | …010111001010000011 |
3 | 1221010221001012222021 |
4 | 102310021113022003 |
5 | 312333232102321 |
6 | 13140351422311 |
7 | 1313426025013 |
oct | 226411271203 |
9 | 57127035867 |
10 | 20202222211 |
11 | 862769a616 |
12 | 3ab9824997 |
13 | 1b9c55c552 |
14 | d990c5c43 |
15 | 7d38b3941 |
hex | 4b4257283 |
20202222211 has 8 divisors (see below), whose sum is σ = 20496672000. Its totient is φ = 19908047880.
The previous prime is 20202222193. The next prime is 20202222217. The reversal of 20202222211 is 11222220202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20202222211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20202222217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81250 + ... + 216808.
It is an arithmetic number, because the mean of its divisors is an integer number (2562084000).
Almost surely, 220202222211 is an apocalyptic number.
20202222211 is a deficient number, since it is larger than the sum of its proper divisors (294449789).
20202222211 is a wasteful number, since it uses less digits than its factorization.
20202222211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137729.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 20202222211 its reverse (11222220202), we get a palindrome (31424442413).
The spelling of 20202222211 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred eleven".
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