Base | Representation |
---|---|
bin | 100000010100101111111… |
… | …111010010011111110111 |
3 | 21212100120102212211112012 |
4 | 200110233333102133313 |
5 | 242343212110241043 |
6 | 4420241432514435 |
7 | 316324651524650 |
oct | 40245777223767 |
9 | 7770512784465 |
10 | 2221303212023 |
11 | 78705a832535 |
12 | 2ba605b4ba1b |
13 | 13161124c13c |
14 | 79723d72527 |
15 | 3cbab7e4a18 |
hex | 2052ffd27f7 |
2221303212023 has 16 divisors (see below), whose sum is σ = 2540631972864. Its totient is φ = 1902474794880.
The previous prime is 2221303211999. The next prime is 2221303212031. The reversal of 2221303212023 is 3202123031222.
It is a cyclic number.
It is not a de Polignac number, because 2221303212023 - 236 = 2152583735287 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2221303212023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221303212523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90170918 + ... + 90195548.
It is an arithmetic number, because the mean of its divisors is an integer number (158789498304).
Almost surely, 22221303212023 is an apocalyptic number.
2221303212023 is a deficient number, since it is larger than the sum of its proper divisors (319328760841).
2221303212023 is a wasteful number, since it uses less digits than its factorization.
2221303212023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34262.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 2221303212023 its reverse (3202123031222), we get a palindrome (5423426243245).
The spelling of 2221303212023 in words is "two trillion, two hundred twenty-one billion, three hundred three million, two hundred twelve thousand, twenty-three".
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