Base | Representation |
---|---|
bin | 10010110101001110… |
… | …011111010010010011 |
3 | 1221012012010212122000 |
4 | 102311032133102103 |
5 | 312402401442233 |
6 | 13142240045043 |
7 | 1314036040416 |
oct | 226516372223 |
9 | 57165125560 |
10 | 20220343443 |
11 | 8636947343 |
12 | 3b03903783 |
13 | 1ba3235781 |
14 | d9b681b7d |
15 | 7d5292d13 |
hex | 4b539f493 |
20220343443 has 8 divisors (see below), whose sum is σ = 29956064400. Its totient is φ = 13480228944.
The previous prime is 20220343393. The next prime is 20220343463. The reversal of 20220343443 is 34434302202.
20220343443 is a `hidden beast` number, since 2 + 0 + 220 + 3 + 434 + 4 + 3 = 666.
It is not a de Polignac number, because 20220343443 - 225 = 20186789011 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 748901609 = 20220343443 / (2 + 0 + 2 + 2 + 0 + 3 + 4 + 3 + 4 + 4 + 3).
It is not an unprimeable number, because it can be changed into a prime (20220343463) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 374450778 + ... + 374450831.
It is an arithmetic number, because the mean of its divisors is an integer number (3744508050).
Almost surely, 220220343443 is an apocalyptic number.
20220343443 is a deficient number, since it is larger than the sum of its proper divisors (9735720957).
20220343443 is an equidigital number, since it uses as much as digits as its factorization.
20220343443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748901618 (or 748901612 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 27.
Adding to 20220343443 its reverse (34434302202), we get a palindrome (54654645645).
The spelling of 20220343443 in words is "twenty billion, two hundred twenty million, three hundred forty-three thousand, four hundred forty-three".
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