Base | Representation |
---|---|
bin | 101010010110110… |
… | …0010000101011001 |
3 | 10200001021120101111 |
4 | 1110231202011121 |
5 | 10402313102413 |
6 | 353005420321 |
7 | 50135122024 |
oct | 12455420531 |
9 | 3601246344 |
10 | 1421222233 |
11 | 66a274332 |
12 | 337b6a6a1 |
13 | 19859c302 |
14 | d6a781bb |
15 | 84b87d3d |
hex | 54b62159 |
1421222233 has 8 divisors (see below), whose sum is σ = 1484765568. Its totient is φ = 1357824864.
The previous prime is 1421222203. The next prime is 1421222261. The reversal of 1421222233 is 3322221241.
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 1421222233 - 29 = 1421221721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1421222203) 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, 16341 + ... + 55762.
It is an arithmetic number, because the mean of its divisors is an integer number (185595696).
Almost surely, 21421222233 is an apocalyptic number.
It is an amenable number.
1421222233 is a deficient number, since it is larger than the sum of its proper divisors (63543335).
1421222233 is an equidigital number, since it uses as much as digits as its factorization.
1421222233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72983.
The product of its digits is 1152, while the sum is 22.
The square root of 1421222233 is about 37699.1012227082. The cubic root of 1421222233 is about 1124.3132554042.
Adding to 1421222233 its reverse (3322221241), we get a palindrome (4743443474).
The spelling of 1421222233 in words is "one billion, four hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-three".
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