Base | Representation |
---|---|
bin | 10010101001011010… |
… | …101101010110111111 |
3 | 1220200101100011122222 |
4 | 102221122231112333 |
5 | 312001142021343 |
6 | 13110441355555 |
7 | 1306112030615 |
oct | 225132552677 |
9 | 56611304588 |
10 | 20022220223 |
11 | 8545026445 |
12 | 3a69498bbb |
13 | 1b711877b5 |
14 | d7d22b6b5 |
15 | 7c2ba9a68 |
hex | 4a96ad5bf |
20022220223 has 8 divisors (see below), whose sum is σ = 20714821200. Its totient is φ = 19329764608.
The previous prime is 20022220213. The next prime is 20022220261. The reversal of 20022220223 is 32202222002.
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 20022220223 - 210 = 20022219199 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 (20022220213) 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, 295343 + ... + 356751.
It is an arithmetic number, because the mean of its divisors is an integer number (2589352650).
Almost surely, 220022220223 is an apocalyptic number.
20022220223 is a deficient number, since it is larger than the sum of its proper divisors (692600977).
20022220223 is a wasteful number, since it uses less digits than its factorization.
20022220223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72681.
The product of its (nonzero) digits is 384, while the sum is 17.
Adding to 20022220223 its reverse (32202222002), we get a palindrome (52224442225).
The spelling of 20022220223 in words is "twenty billion, twenty-two million, two hundred twenty thousand, two hundred twenty-three".
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