Base | Representation |
---|---|
bin | 100100101110010… |
… | …1101011111100101 |
3 | 10011212201110020121 |
4 | 1021130231133211 |
5 | 10010424410031 |
6 | 322135401541 |
7 | 42352030624 |
oct | 11134553745 |
9 | 3155643217 |
10 | 1232263141 |
11 | 58264259a |
12 | 2a48232b1 |
13 | 1683ac5b5 |
14 | b992b6bb |
15 | 732b0011 |
hex | 4972d7e5 |
1232263141 has 4 divisors (see below), whose sum is σ = 1249143532. Its totient is φ = 1215382752.
The previous prime is 1232263121. The next prime is 1232263163. The reversal of 1232263141 is 1413622321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1413622321 = 21737 ⋅65033.
It can be written as a sum of positive squares in 2 ways, for example, as 442934116 + 789329025 = 21046^2 + 28095^2 .
It is a cyclic number.
It is not a de Polignac number, because 1232263141 - 219 = 1231738853 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 (1232263121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8440086 + ... + 8440231.
It is an arithmetic number, because the mean of its divisors is an integer number (312285883).
Almost surely, 21232263141 is an apocalyptic number.
It is an amenable number.
1232263141 is a deficient number, since it is larger than the sum of its proper divisors (16880391).
1232263141 is an equidigital number, since it uses as much as digits as its factorization.
1232263141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16880390.
The product of its digits is 1728, while the sum is 25.
The square root of 1232263141 is about 35103.6058119390. The cubic root of 1232263141 is about 1072.0980005848.
Adding to 1232263141 its reverse (1413622321), we get a palindrome (2645885462).
The spelling of 1232263141 in words is "one billion, two hundred thirty-two million, two hundred sixty-three thousand, one hundred forty-one".
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