Base | Representation |
---|---|
bin | 11000011101100010… |
… | …00100001101100111 |
3 | 1020220020101111111112 |
4 | 30032301010031213 |
5 | 203343424121343 |
6 | 10011050055235 |
7 | 643303433255 |
oct | 141661041547 |
9 | 36806344445 |
10 | 13132645223 |
11 | 562a043805 |
12 | 266611a51b |
13 | 1313a054b9 |
14 | 8c82175d5 |
15 | 51ce04218 |
hex | 30ec44367 |
13132645223 has 4 divisors (see below), whose sum is σ = 13153458288. Its totient is φ = 13111832160.
The previous prime is 13132645219. The next prime is 13132645237. The reversal of 13132645223 is 32254623131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32254623131 = 5641 ⋅5717891.
It is a cyclic number.
It is not a de Polignac number, because 13132645223 - 22 = 13132645219 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13132645223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13132645243) 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, 10405586 + ... + 10406847.
It is an arithmetic number, because the mean of its divisors is an integer number (3288364572).
Almost surely, 213132645223 is an apocalyptic number.
13132645223 is a deficient number, since it is larger than the sum of its proper divisors (20813065).
13132645223 is an equidigital number, since it uses as much as digits as its factorization.
13132645223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20813064.
The product of its digits is 25920, while the sum is 32.
The spelling of 13132645223 in words is "thirteen billion, one hundred thirty-two million, six hundred forty-five thousand, two hundred twenty-three".
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