Base | Representation |
---|---|
bin | 100100101010011… |
… | …1011001100110101 |
3 | 10011201212202111201 |
4 | 1021110323030311 |
5 | 10004414102013 |
6 | 322023532501 |
7 | 42325500310 |
oct | 11124731465 |
9 | 3151782451 |
10 | 1230222133 |
11 | 581479108 |
12 | 2a3bba131 |
13 | 167b465ba |
14 | b9559977 |
15 | 7300a3dd |
hex | 4953b335 |
1230222133 has 16 divisors (see below), whose sum is σ = 1438308864. Its totient is φ = 1030296960.
The previous prime is 1230222113. The next prime is 1230222151. The reversal of 1230222133 is 3312220321.
It is not a de Polignac number, because 1230222133 - 25 = 1230222101 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 1230222133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230222113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214641 + ... + 220297.
It is an arithmetic number, because the mean of its divisors is an integer number (89894304).
Almost surely, 21230222133 is an apocalyptic number.
It is an amenable number.
1230222133 is a deficient number, since it is larger than the sum of its proper divisors (208086731).
1230222133 is an equidigital number, since it uses as much as digits as its factorization.
1230222133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6372.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1230222133 is about 35074.5225626807. The cubic root of 1230222133 is about 1071.5057651210.
Adding to 1230222133 its reverse (3312220321), we get a palindrome (4542442454).
The spelling of 1230222133 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, one hundred thirty-three".
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