Base | Representation |
---|---|
bin | 100000010100101111111… |
… | …111010111101000000111 |
3 | 21212100120102220220100021 |
4 | 200110233333113220013 |
5 | 242343212111424111 |
6 | 4420241433200011 |
7 | 316324651643131 |
oct | 40245777275007 |
9 | 7770512826307 |
10 | 2221303233031 |
11 | 78705a8472a3 |
12 | 2ba605b60007 |
13 | 13161125887c |
14 | 79723d7a051 |
15 | 3cbab7ead71 |
hex | 2052ffd7a07 |
2221303233031 has 16 divisors (see below), whose sum is σ = 2298922030080. Its totient is φ = 2144060530560.
The previous prime is 2221303233011. The next prime is 2221303233049. The reversal of 2221303233031 is 1303323031222.
It is a cyclic number.
It is not a de Polignac number, because 2221303233031 - 27 = 2221303232903 is a prime.
It is a super-2 number, since 2×22213032330312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2221303232987 and 2221303233005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221303233011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42395056 + ... + 42447418.
It is an arithmetic number, because the mean of its divisors is an integer number (143682626880).
Almost surely, 22221303233031 is an apocalyptic number.
2221303233031 is a deficient number, since it is larger than the sum of its proper divisors (77618797049).
2221303233031 is a wasteful number, since it uses less digits than its factorization.
2221303233031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55926.
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 2221303233031 its reverse (1303323031222), we get a palindrome (3524626264253).
The spelling of 2221303233031 in words is "two trillion, two hundred twenty-one billion, three hundred three million, two hundred thirty-three thousand, thirty-one".
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