Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0011010101100001 |
3 | 12201201112100000210 |
4 | 2010111003111201 |
5 | 14021322024301 |
6 | 1004144404333 |
7 | 106005430260 |
oct | 20425032541 |
9 | 5651470023 |
10 | 2220111201 |
11 | a3a216450 |
12 | 51b6166a9 |
13 | 294c53589 |
14 | 170bd45d7 |
15 | ced90ad6 |
hex | 84543561 |
2220111201 has 16 divisors (see below), whose sum is σ = 3690574848. Its totient is φ = 1153304400.
The previous prime is 2220111181. The next prime is 2220111217. The reversal of 2220111201 is 1021110222.
It is not a de Polignac number, because 2220111201 - 25 = 2220111169 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2220111281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4805205 + ... + 4805666.
It is an arithmetic number, because the mean of its divisors is an integer number (230660928).
Almost surely, 22220111201 is an apocalyptic number.
2220111201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2220111201 is a deficient number, since it is larger than the sum of its proper divisors (1470463647).
2220111201 is a wasteful number, since it uses less digits than its factorization.
2220111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9610892.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2220111201 is about 47118.0559976746. The cubic root of 2220111201 is about 1304.5425310400.
Adding to 2220111201 its reverse (1021110222), we get a palindrome (3241221423).
The spelling of 2220111201 in words is "two billion, two hundred twenty million, one hundred eleven thousand, two hundred one".
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