Base | Representation |
---|---|
bin | 10001110000011010111… |
… | …010110010110100111111 |
3 | 11022122121101121000200222 |
4 | 101300122322302310333 |
5 | 124443003404112343 |
6 | 2332321251211555 |
7 | 154105150455566 |
oct | 21603272626477 |
9 | 4278541530628 |
10 | 1220222332223 |
11 | 430547771654 |
12 | 1785a1ba6bbb |
13 | 8b0b306876b |
14 | 430b8166bdd |
15 | 21b1a222a68 |
hex | 11c1aeb2d3f |
1220222332223 has 4 divisors (see below), whose sum is σ = 1220384538648. Its totient is φ = 1220060125800.
The previous prime is 1220222332213. The next prime is 1220222332229. The reversal of 1220222332223 is 3222332220221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1220222332223 - 26 = 1220222332159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1220222332192 and 1220222332201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220222332229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81091928 + ... + 81106973.
It is an arithmetic number, because the mean of its divisors is an integer number (305096134662).
Almost surely, 21220222332223 is an apocalyptic number.
1220222332223 is a deficient number, since it is larger than the sum of its proper divisors (162206425).
1220222332223 is an equidigital number, since it uses as much as digits as its factorization.
1220222332223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162206424.
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 1220222332223 its reverse (3222332220221), we get a palindrome (4442554552444).
The spelling of 1220222332223 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-three".
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