Base | Representation |
---|---|
bin | 10010110110011101… |
… | …010111100100100110 |
3 | 1221020122001102012200 |
4 | 102312131113210212 |
5 | 312423200134342 |
6 | 13144255155330 |
7 | 1314406561452 |
oct | 226635274446 |
9 | 57218042180 |
10 | 20241021222 |
11 | 864758a914 |
12 | 3b0a815b46 |
13 | 1ba75c5546 |
14 | da0305662 |
15 | 7d6ec994c |
hex | 4b6757926 |
20241021222 has 24 divisors (see below), whose sum is σ = 44788644576. Its totient is φ = 6603453456.
The previous prime is 20241021217. The next prime is 20241021247. The reversal of 20241021222 is 22212014202.
20241021222 is a `hidden beast` number, since 20 + 2 + 410 + 212 + 22 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20241021195 and 20241021204.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 11961933 + ... + 11963624.
It is an arithmetic number, because the mean of its divisors is an integer number (1866193524).
Almost surely, 220241021222 is an apocalyptic number.
20241021222 is an abundant number, since it is smaller than the sum of its proper divisors (24547623354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20241021222 is a wasteful number, since it uses less digits than its factorization.
20241021222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23925612 (or 23925609 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 20241021222 its reverse (22212014202), we get a palindrome (42453035424).
The spelling of 20241021222 in words is "twenty billion, two hundred forty-one million, twenty-one thousand, two hundred twenty-two".
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