Base | Representation |
---|---|
bin | 100001011110011… |
… | …0010000101100101 |
3 | 2220021112222222002 |
4 | 1002330302011211 |
5 | 4300021330203 |
6 | 303242415045 |
7 | 36556204121 |
oct | 10274620545 |
9 | 2807488862 |
10 | 1123230053 |
11 | 527041400 |
12 | 274201485 |
13 | 14b92538a |
14 | a9268581 |
15 | 68923d88 |
hex | 42f32165 |
1123230053 has 12 divisors (see below), whose sum is σ = 1267998060. Its totient is φ = 993516480.
The previous prime is 1123230041. The next prime is 1123230077. The reversal of 1123230053 is 3500323211.
It can be written as a sum of positive squares in 2 ways, for example, as 514473124 + 608756929 = 22682^2 + 24673^2 .
It is not a de Polignac number, because 1123230053 - 226 = 1056121189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1123230083) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120968 + ... + 129921.
It is an arithmetic number, because the mean of its divisors is an integer number (105666505).
Almost surely, 21123230053 is an apocalyptic number.
It is an amenable number.
1123230053 is a deficient number, since it is larger than the sum of its proper divisors (144768007).
1123230053 is a wasteful number, since it uses less digits than its factorization.
1123230053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250948 (or 250937 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 1123230053 is about 33514.6244645528. The cubic root of 1123230053 is about 1039.4961973676.
Adding to 1123230053 its reverse (3500323211), we get a palindrome (4623553264).
The spelling of 1123230053 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, fifty-three".
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