Base | Representation |
---|---|
bin | 10010101001111101… |
… | …010110101001001110 |
3 | 1220201000102120211022 |
4 | 102221331112221032 |
5 | 312011003132342 |
6 | 13111404154142 |
7 | 1306252155011 |
oct | 225175265116 |
9 | 56630376738 |
10 | 20031302222 |
11 | 854a169928 |
12 | 3a70538952 |
13 | 1b73017569 |
14 | d80513378 |
15 | 7c38a09d2 |
hex | 4a9f56a4e |
20031302222 has 4 divisors (see below), whose sum is σ = 30046953336. Its totient is φ = 10015651110.
The previous prime is 20031302129. The next prime is 20031302231. The reversal of 20031302222 is 22220313002.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20031302222.
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 as a sum of consecutive naturals, namely, 5007825554 + ... + 5007825557.
It is an arithmetic number, because the mean of its divisors is an integer number (7511738334).
Almost surely, 220031302222 is an apocalyptic number.
20031302222 is a deficient number, since it is larger than the sum of its proper divisors (10015651114).
20031302222 is a wasteful number, since it uses less digits than its factorization.
20031302222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10015651113.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20031302222 its reverse (22220313002), we get a palindrome (42251615224).
The spelling of 20031302222 in words is "twenty billion, thirty-one million, three hundred two thousand, two hundred twenty-two".
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