Base | Representation |
---|---|
bin | 100000010110010110011… |
… | …000100011101110100111 |
3 | 21212112000011102012120211 |
4 | 200112112120203232213 |
5 | 242410221401042411 |
6 | 4421124121240251 |
7 | 316415351452243 |
oct | 40262630435647 |
9 | 7775004365524 |
10 | 2223021112231 |
11 | 787861511377 |
12 | 2baa05333087 |
13 | 13182612513a |
14 | 79848197423 |
15 | 3cc5c532221 |
hex | 20596623ba7 |
2223021112231 has 2 divisors, whose sum is σ = 2223021112232. Its totient is φ = 2223021112230.
The previous prime is 2223021112183. The next prime is 2223021112253. The reversal of 2223021112231 is 1322111203222.
It is an a-pointer prime, because the next prime (2223021112253) can be obtained adding 2223021112231 to its sum of digits (22).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2223021112231 - 215 = 2223021079463 is a prime.
It is a super-2 number, since 2×22230211122312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2223021112831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111510556115 + 1111510556116.
It is an arithmetic number, because the mean of its divisors is an integer number (1111510556116).
Almost surely, 22223021112231 is an apocalyptic number.
2223021112231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2223021112231 is an equidigital number, since it uses as much as digits as its factorization.
2223021112231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 2223021112231 its reverse (1322111203222), we get a palindrome (3545132315453).
Subtracting from 2223021112231 its reverse (1322111203222), we obtain a palindrome (900909909009).
The spelling of 2223021112231 in words is "two trillion, two hundred twenty-three billion, twenty-one million, one hundred twelve thousand, two hundred thirty-one".
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