Base | Representation |
---|---|
bin | 10011001111011100… |
… | …000010100000110110 |
3 | 1222022211121222122020 |
4 | 103033130002200312 |
5 | 314302441300342 |
6 | 13254025414010 |
7 | 1330655660043 |
oct | 231734024066 |
9 | 58284558566 |
10 | 20660103222 |
11 | 88420a9380 |
12 | 400703a306 |
13 | 1c43388465 |
14 | dddc361ca |
15 | 80dbac0ec |
hex | 4cf702836 |
20660103222 has 16 divisors (see below), whose sum is σ = 45076588992. Its totient is φ = 6260637320.
The previous prime is 20660103221. The next prime is 20660103229. The reversal of 20660103222 is 22230106602.
It is a junction number, because it is equal to n+sod(n) for n = 20660103192 and 20660103201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20660103221) 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, 156515868 + ... + 156515999.
It is an arithmetic number, because the mean of its divisors is an integer number (2817286812).
Almost surely, 220660103222 is an apocalyptic number.
20660103222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20660103222 is an abundant number, since it is smaller than the sum of its proper divisors (24416485770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20660103222 is a wasteful number, since it uses less digits than its factorization.
20660103222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313031883.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 20660103222 its reverse (22230106602), we get a palindrome (42890209824).
The spelling of 20660103222 in words is "twenty billion, six hundred sixty million, one hundred three thousand, two hundred twenty-two".
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