Base | Representation |
---|---|
bin | 10010111011110001… |
… | …010011001011111111 |
3 | 1221110211201201112010 |
4 | 102323301103023333 |
5 | 313114003212343 |
6 | 13201201142303 |
7 | 1316541162342 |
oct | 227361231377 |
9 | 57424651463 |
10 | 20330132223 |
11 | 8692914275 |
12 | 3b3462a993 |
13 | 1bbcbc594b |
14 | dac0a0459 |
15 | 7dec2cd33 |
hex | 4bbc532ff |
20330132223 has 4 divisors (see below), whose sum is σ = 27106842968. Its totient is φ = 13553421480.
The previous prime is 20330132191. The next prime is 20330132243. The reversal of 20330132223 is 32223103302.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20330132223 - 25 = 20330132191 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20330132223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20330132243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3388355368 + ... + 3388355373.
It is an arithmetic number, because the mean of its divisors is an integer number (6776710742).
Almost surely, 220330132223 is an apocalyptic number.
20330132223 is a deficient number, since it is larger than the sum of its proper divisors (6776710745).
20330132223 is an equidigital number, since it uses as much as digits as its factorization.
20330132223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6776710744.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 20330132223 its reverse (32223103302), we get a palindrome (52553235525).
The spelling of 20330132223 in words is "twenty billion, three hundred thirty million, one hundred thirty-two thousand, two hundred twenty-three".
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