Base | Representation |
---|---|
bin | 1000010001100001… |
… | …1100100101011101 |
3 | 12201210012112200021 |
4 | 2010120130211131 |
5 | 14022034013203 |
6 | 1004215432141 |
7 | 106016124505 |
oct | 20430344535 |
9 | 5653175607 |
10 | 2221001053 |
11 | a3a773a67 |
12 | 51b985651 |
13 | 2951a560b |
14 | 170d86a05 |
15 | ceeb95bd |
hex | 8461c95d |
2221001053 has 2 divisors, whose sum is σ = 2221001054. Its totient is φ = 2221001052.
The previous prime is 2221001011. The next prime is 2221001071. The reversal of 2221001053 is 3501001222.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1859506884 + 361494169 = 43122^2 + 19013^2 .
It is a cyclic number.
It is not a de Polignac number, because 2221001053 - 229 = 1684130141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2221001753) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110500526 + 1110500527.
It is an arithmetic number, because the mean of its divisors is an integer number (1110500527).
Almost surely, 22221001053 is an apocalyptic number.
It is an amenable number.
2221001053 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221001053 is an equidigital number, since it uses as much as digits as its factorization.
2221001053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 2221001053 is about 47127.4978436157. The cubic root of 2221001053 is about 1304.7168007972.
Adding to 2221001053 its reverse (3501001222), we get a palindrome (5722002275).
The spelling of 2221001053 in words is "two billion, two hundred twenty-one million, one thousand, fifty-three".
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