Base | Representation |
---|---|
bin | 10100100101111111… |
… | …000101010010101111 |
3 | 2010002000212121020001 |
4 | 110211333011102233 |
5 | 330241201131343 |
6 | 14054055405131 |
7 | 1411650001651 |
oct | 244577052257 |
9 | 63060777201 |
10 | 22112130223 |
11 | 94177a2797 |
12 | 43513837a7 |
13 | 2115151b31 |
14 | 10daa0c6d1 |
15 | 8963cc44d |
hex | 525fc54af |
22112130223 has 4 divisors (see below), whose sum is σ = 22146627168. Its totient is φ = 22077633280.
The previous prime is 22112130133. The next prime is 22112130233. The reversal of 22112130223 is 32203121122.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203121122 = 2 ⋅16101560561.
It is a cyclic number.
It is not a de Polignac number, because 22112130223 - 213 = 22112122031 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 22112130223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22112130233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17247511 + ... + 17248792.
It is an arithmetic number, because the mean of its divisors is an integer number (5536656792).
Almost surely, 222112130223 is an apocalyptic number.
22112130223 is a deficient number, since it is larger than the sum of its proper divisors (34496945).
22112130223 is an equidigital number, since it uses as much as digits as its factorization.
22112130223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34496944.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 22112130223 its reverse (32203121122), we get a palindrome (54315251345).
The spelling of 22112130223 in words is "twenty-two billion, one hundred twelve million, one hundred thirty thousand, two hundred twenty-three".
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