Base | Representation |
---|---|
bin | 110010100001100110010100… |
… | …011010101010110100000111 |
3 | 1002010210011222111111010202221 |
4 | 302201212110122222310013 |
5 | 213111202031012342411 |
6 | 2104334231052313211 |
7 | 64543142002665322 |
oct | 6241462432526407 |
9 | 1063704874433687 |
10 | 222211213012231 |
11 | 64892278790423 |
12 | 20b0a031772807 |
13 | 96cb573212711 |
14 | 3cc3119ad17b9 |
15 | 1aa5354991071 |
hex | ca19946aad07 |
222211213012231 has 8 divisors (see below), whose sum is σ = 222264681609600. Its totient is φ = 222157745997408.
The previous prime is 222211213012177. The next prime is 222211213012237. The reversal of 222211213012231 is 132210312112222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 222211213012231 - 227 = 222211078794503 is a prime.
It is a super-2 number, since 2×2222112130122312 (a number of 29 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 = 222211213012196 and 222211213012205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222211213012237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309495045 + ... + 310212193.
It is an arithmetic number, because the mean of its divisors is an integer number (27783085201200).
Almost surely, 2222211213012231 is an apocalyptic number.
222211213012231 is a deficient number, since it is larger than the sum of its proper divisors (53468597369).
222211213012231 is an equidigital number, since it uses as much as digits as its factorization.
222211213012231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791273.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 222211213012231 its reverse (132210312112222), we get a palindrome (354421525124453).
Subtracting from 222211213012231 its reverse (132210312112222), we obtain a palindrome (90000900900009).
The spelling of 222211213012231 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred thirteen million, twelve thousand, two hundred thirty-one".
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