Base | Representation |
---|---|
bin | 111100010001000… |
… | …0111101001001001 |
3 | 12012221010220210011 |
4 | 1320202013221021 |
5 | 13120141210441 |
6 | 532354551521 |
7 | 101053334221 |
oct | 17042075111 |
9 | 5187126704 |
10 | 2022210121 |
11 | 948537438 |
12 | 4852985a1 |
13 | 262c52749 |
14 | 1527db081 |
15 | bc7ed581 |
hex | 78887a49 |
2022210121 has 2 divisors, whose sum is σ = 2022210122. Its totient is φ = 2022210120.
The previous prime is 2022210103. The next prime is 2022210131. The reversal of 2022210121 is 1210122202.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1400256400 + 621953721 = 37420^2 + 24939^2 .
It is a cyclic number.
It is not a de Polignac number, because 2022210121 - 25 = 2022210089 is a prime.
It is not a weakly prime, because it can be changed into another prime (2022210101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011105060 + 1011105061.
It is an arithmetic number, because the mean of its divisors is an integer number (1011105061).
Almost surely, 22022210121 is an apocalyptic number.
It is an amenable number.
2022210121 is a deficient number, since it is larger than the sum of its proper divisors (1).
2022210121 is an equidigital number, since it uses as much as digits as its factorization.
2022210121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2022210121 is about 44968.9906602316. The cubic root of 2022210121 is about 1264.5677247345.
Adding to 2022210121 its reverse (1210122202), we get a palindrome (3232332323).
The spelling of 2022210121 in words is "two billion, twenty-two million, two hundred ten thousand, one hundred twenty-one".
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