Base | Representation |
---|---|
bin | 10100100110101101… |
… | …001101011010111111 |
3 | 2010002212121221012221 |
4 | 110212231031122333 |
5 | 330302300102033 |
6 | 14055210510211 |
7 | 1412154533242 |
oct | 244655153277 |
9 | 63085557187 |
10 | 22124222143 |
11 | 9423601611 |
12 | 4355435367 |
13 | 21177c690a |
14 | 10dc479259 |
15 | 8974ba12d |
hex | 526b4d6bf |
22124222143 has 4 divisors (see below), whose sum is σ = 22129607968. Its totient is φ = 22118836320.
The previous prime is 22124222129. The next prime is 22124222147. The reversal of 22124222143 is 34122242122.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22124222143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22124222147) 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, 2686746 + ... + 2694967.
It is an arithmetic number, because the mean of its divisors is an integer number (5532401992).
Almost surely, 222124222143 is an apocalyptic number.
22124222143 is a deficient number, since it is larger than the sum of its proper divisors (5385825).
22124222143 is an equidigital number, since it uses as much as digits as its factorization.
22124222143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5385824.
The product of its digits is 3072, while the sum is 25.
Adding to 22124222143 its reverse (34122242122), we get a palindrome (56246464265).
The spelling of 22124222143 in words is "twenty-two billion, one hundred twenty-four million, two hundred twenty-two thousand, one hundred forty-three".
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