Base | Representation |
---|---|
bin | 10010110101010101… |
… | …001111010111000101 |
3 | 1221012022110210022100 |
4 | 102311111033113011 |
5 | 312403330110341 |
6 | 13142342022313 |
7 | 1314060061212 |
oct | 226525172705 |
9 | 57168423270 |
10 | 20222113221 |
11 | 8637945a72 |
12 | 3b04417999 |
13 | 1ba370518b |
14 | d9b9c2b09 |
15 | 7d54e23b6 |
hex | 4b554f5c5 |
20222113221 has 24 divisors (see below), whose sum is σ = 30230254080. Its totient is φ = 13010802336.
The previous prime is 20222113211. The next prime is 20222113259. The reversal of 20222113221 is 12231122202.
It is not a de Polignac number, because 20222113221 - 26 = 20222113157 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20222113194 and 20222113203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20222113201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622836 + ... + 654498.
It is an arithmetic number, because the mean of its divisors is an integer number (1259593920).
Almost surely, 220222113221 is an apocalyptic number.
It is an amenable number.
20222113221 is a deficient number, since it is larger than the sum of its proper divisors (10008140859).
20222113221 is a wasteful number, since it uses less digits than its factorization.
20222113221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34145 (or 34142 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 20222113221 its reverse (12231122202), we get a palindrome (32453235423).
The spelling of 20222113221 in words is "twenty billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-one".
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