Base | Representation |
---|---|
bin | 11000100111001010… |
… | …10100101101010111 |
3 | 1021002212102222010110 |
4 | 30103211110231113 |
5 | 204030121000033 |
6 | 10023054054103 |
7 | 645304333002 |
oct | 142345245527 |
9 | 37085388113 |
10 | 13213453143 |
11 | 5670716a10 |
12 | 26891aa333 |
13 | 1327689537 |
14 | 8d4c50539 |
15 | 525067363 |
hex | 313954b57 |
13213453143 has 16 divisors (see below), whose sum is σ = 19232704512. Its totient is φ = 8002680000.
The previous prime is 13213453093. The next prime is 13213453151. The reversal of 13213453143 is 34135431231.
It is a happy number.
It is not a de Polignac number, because 13213453143 - 26 = 13213453079 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13213453143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13213453163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87558 + ... + 184643.
It is an arithmetic number, because the mean of its divisors is an integer number (1202044032).
Almost surely, 213213453143 is an apocalyptic number.
13213453143 is a deficient number, since it is larger than the sum of its proper divisors (6019251369).
13213453143 is a wasteful number, since it uses less digits than its factorization.
13213453143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273686.
The product of its digits is 12960, while the sum is 30.
Adding to 13213453143 its reverse (34135431231), we get a palindrome (47348884374).
The spelling of 13213453143 in words is "thirteen billion, two hundred thirteen million, four hundred fifty-three thousand, one hundred forty-three".
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