Base | Representation |
---|---|
bin | 100000010100011111110… |
… | …101001010011111010001 |
3 | 21212022212112210001100212 |
4 | 200110133311022133101 |
5 | 242342133210403241 |
6 | 4420154510253505 |
7 | 316315150354655 |
oct | 40243765123721 |
9 | 7768775701325 |
10 | 2221032122321 |
11 | 786a30804861 |
12 | 2ba54b1b7295 |
13 | 13159a03432c |
14 | 796d9d66a65 |
15 | 3cb92ae6beb |
hex | 2051fd4a7d1 |
2221032122321 has 32 divisors (see below), whose sum is σ = 2281156853760. Its totient is φ = 2161831795200.
The previous prime is 2221032122233. The next prime is 2221032122333. The reversal of 2221032122321 is 1232212301222.
It is a happy number.
2221032122321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2221032122321 - 214 = 2221032105937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2221032122381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3599727605 + ... + 3599728221.
It is an arithmetic number, because the mean of its divisors is an integer number (71286151680).
Almost surely, 22221032122321 is an apocalyptic number.
It is an amenable number.
2221032122321 is a deficient number, since it is larger than the sum of its proper divisors (60124731439).
2221032122321 is a wasteful number, since it uses less digits than its factorization.
2221032122321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1985.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 2221032122321 its reverse (1232212301222), we get a palindrome (3453244423543).
The spelling of 2221032122321 in words is "two trillion, two hundred twenty-one billion, thirty-two million, one hundred twenty-two thousand, three hundred twenty-one".
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