Base | Representation |
---|---|
bin | 11000100111001010… |
… | …01101011000100111 |
3 | 1021002212101102222100 |
4 | 30103211031120213 |
5 | 204030114020033 |
6 | 10023053303143 |
7 | 645304146354 |
oct | 142345153047 |
9 | 37085342870 |
10 | 13213423143 |
11 | 56706a6418 |
12 | 2689194ab3 |
13 | 132767899b |
14 | 8d4c4362b |
15 | 52505d513 |
hex | 31394d627 |
13213423143 has 24 divisors (see below), whose sum is σ = 19140580368. Its totient is φ = 8783828352.
The previous prime is 13213423117. The next prime is 13213423177. The reversal of 13213423143 is 34132431231.
It is a happy number.
13213423143 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 342 + 314 + 3 = 666.
13213423143 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 13213423143 - 26 = 13213423079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13213423843) 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 23 ways as a sum of consecutive naturals, for example, 6517696 + ... + 6519722.
It is an arithmetic number, because the mean of its divisors is an integer number (797524182).
Almost surely, 213213423143 is an apocalyptic number.
13213423143 is a deficient number, since it is larger than the sum of its proper divisors (5927157225).
13213423143 is a wasteful number, since it uses less digits than its factorization.
13213423143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3743 (or 3740 counting only the distinct ones).
The product of its digits is 5184, while the sum is 27.
Adding to 13213423143 its reverse (34132431231), we get a palindrome (47345854374).
The spelling of 13213423143 in words is "thirteen billion, two hundred thirteen million, four hundred twenty-three thousand, one hundred forty-three".
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