Base | Representation |
---|---|
bin | 10110100110010011… |
… | …00001010110111101 |
3 | 1011022112021221200202 |
4 | 23103021201112331 |
5 | 144321400014401 |
6 | 5323515533245 |
7 | 606436615631 |
oct | 132311412675 |
9 | 34275257622 |
10 | 12132423101 |
11 | 5166489057 |
12 | 242715a225 |
13 | 11b471b1a6 |
14 | 83144cdc1 |
15 | 4b01cc06b |
hex | 2d32615bd |
12132423101 has 4 divisors (see below), whose sum is σ = 12252546204. Its totient is φ = 12012300000.
The previous prime is 12132423091. The next prime is 12132423113. The reversal of 12132423101 is 10132423121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11744923876 + 387499225 = 108374^2 + 19685^2 .
It is a cyclic number.
It is not a de Polignac number, because 12132423101 - 214 = 12132406717 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 (12132423301) 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, 60061400 + ... + 60061601.
It is an arithmetic number, because the mean of its divisors is an integer number (3063136551).
Almost surely, 212132423101 is an apocalyptic number.
It is an amenable number.
12132423101 is a deficient number, since it is larger than the sum of its proper divisors (120123103).
12132423101 is a wasteful number, since it uses less digits than its factorization.
12132423101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120123102.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12132423101 its sum of digits (20), we get a palindrome (12132423121).
Adding to 12132423101 its reverse (10132423121), we get a palindrome (22264846222).
The spelling of 12132423101 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred one".
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