Base | Representation |
---|---|
bin | 10110100110010011… |
… | …00001010111010011 |
3 | 1011022112021221201120 |
4 | 23103021201113103 |
5 | 144321400014443 |
6 | 5323515533323 |
7 | 606436615662 |
oct | 132311412723 |
9 | 34275257646 |
10 | 12132423123 |
11 | 5166489077 |
12 | 242715a243 |
13 | 11b471b1c2 |
14 | 83144cdd9 |
15 | 4b01cc083 |
hex | 2d32615d3 |
12132423123 has 16 divisors (see below), whose sum is σ = 16341814272. Its totient is φ = 8006040000.
The previous prime is 12132423113. The next prime is 12132423143. The reversal of 12132423123 is 32132423121.
12132423123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12132423123 - 25 = 12132423091 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12132423093 and 12132423102.
It is not an unprimeable number, because it can be changed into a prime (12132423113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79638 + ... + 174948.
It is an arithmetic number, because the mean of its divisors is an integer number (1021363392).
Almost surely, 212132423123 is an apocalyptic number.
12132423123 is a deficient number, since it is larger than the sum of its proper divisors (4209391149).
12132423123 is a wasteful number, since it uses less digits than its factorization.
12132423123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95746.
The product of its digits is 1728, while the sum is 24.
Adding to 12132423123 its reverse (32132423121), we get a palindrome (44264846244).
The spelling of 12132423123 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred twenty-three".
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