Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1101111100101001 |
3 | 12201201201212112211 |
4 | 2010111131330221 |
5 | 14021334021301 |
6 | 1004151005121 |
7 | 106006363123 |
oct | 20425357451 |
9 | 5651655484 |
10 | 2220220201 |
11 | a3a290331 |
12 | 51b6697a1 |
13 | 294c91084 |
14 | 170c22213 |
15 | cedb3051 |
hex | 8455df29 |
2220220201 has 2 divisors, whose sum is σ = 2220220202. Its totient is φ = 2220220200.
The previous prime is 2220220181. The next prime is 2220220231. The reversal of 2220220201 is 1020220222.
2220220201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2218315801 + 1904400 = 47099^2 + 1380^2 .
It is a cyclic number.
It is not a de Polignac number, because 2220220201 - 27 = 2220220073 is a prime.
It is not a weakly prime, because it can be changed into another prime (2220220231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110100 + 1110110101.
It is an arithmetic number, because the mean of its divisors is an integer number (1110110101).
Almost surely, 22220220201 is an apocalyptic number.
It is an amenable number.
2220220201 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220220201 is an equidigital number, since it uses as much as digits as its factorization.
2220220201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 2220220201 is about 47119.2126525900. The cubic root of 2220220201 is about 1304.5638802422.
Adding to 2220220201 its reverse (1020220222), we get a palindrome (3240440423).
The spelling of 2220220201 in words is "two billion, two hundred twenty million, two hundred twenty thousand, two hundred one".
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