Base | Representation |
---|---|
bin | 1100111110110010010… |
… | …0000111010100010111 |
3 | 210022122002211200211111 |
4 | 3033230210013110113 |
5 | 12123212112102411 |
6 | 250241141515451 |
7 | 22053310416631 |
oct | 3175444072427 |
9 | 708562750744 |
10 | 223012222231 |
11 | 86640649387 |
12 | 3727a412b87 |
13 | 18050a9a516 |
14 | ab18471a51 |
15 | 5c0389a721 |
hex | 33ec907517 |
223012222231 has 2 divisors, whose sum is σ = 223012222232. Its totient is φ = 223012222230.
The previous prime is 223012222229. The next prime is 223012222249. The reversal of 223012222231 is 132222210322.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 223012222231 - 21 = 223012222229 is a prime.
It is a super-2 number, since 2×2230122222312 (a number of 23 digits) contains 22 as substring.
Together with 223012222229, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223012222211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111506111115 + 111506111116.
It is an arithmetic number, because the mean of its divisors is an integer number (111506111116).
Almost surely, 2223012222231 is an apocalyptic number.
223012222231 is a deficient number, since it is larger than the sum of its proper divisors (1).
223012222231 is an equidigital number, since it uses as much as digits as its factorization.
223012222231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 223012222231 its reverse (132222210322), we get a palindrome (355234432553).
The spelling of 223012222231 in words is "two hundred twenty-three billion, twelve million, two hundred twenty-two thousand, two hundred thirty-one".
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