Base | Representation |
---|---|
bin | 10010101110001011… |
… | …111000100110111111 |
3 | 1220212221212121000221 |
4 | 102232023320212333 |
5 | 312132132021343 |
6 | 13122420202211 |
7 | 1311103024021 |
oct | 225613704677 |
9 | 56787777027 |
10 | 20102220223 |
11 | 85861a7648 |
12 | 3a90239367 |
13 | 1b84917b87 |
14 | d89ad4011 |
15 | 7c9c0d5ed |
hex | 4ae2f89bf |
20102220223 has 8 divisors (see below), whose sum is σ = 20461536000. Its totient is φ = 19743524568.
The previous prime is 20102220221. The next prime is 20102220233. The reversal of 20102220223 is 32202220102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20102220223 - 21 = 20102220221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20102220197 and 20102220206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102220221) 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, 89373 + ... + 219526.
It is an arithmetic number, because the mean of its divisors is an integer number (2557692000).
Almost surely, 220102220223 is an apocalyptic number.
20102220223 is a deficient number, since it is larger than the sum of its proper divisors (359315777).
20102220223 is a wasteful number, since it uses less digits than its factorization.
20102220223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310061.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 20102220223 its reverse (32202220102), we get a palindrome (52304440325).
The spelling of 20102220223 in words is "twenty billion, one hundred two million, two hundred twenty thousand, two hundred twenty-three".
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