Base | Representation |
---|---|
bin | 11000110100010000… |
… | …11011111110000111 |
3 | 1021101112011211210121 |
4 | 30122020123332013 |
5 | 204241232234343 |
6 | 10042021002411 |
7 | 651110235052 |
oct | 143210337607 |
9 | 37345154717 |
10 | 13323321223 |
11 | 5717738483 |
12 | 26b9b53407 |
13 | 1344376834 |
14 | 90568da99 |
15 | 52ea1aaed |
hex | 31a21bf87 |
13323321223 has 4 divisors (see below), whose sum is σ = 13328919288. Its totient is φ = 13317723160.
The previous prime is 13323321149. The next prime is 13323321229. The reversal of 13323321223 is 32212332331.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32212332331 = 47 ⋅685368773.
It is a cyclic number.
It is not a de Polignac number, because 13323321223 - 233 = 4733386631 is a prime.
It is a super-2 number, since 2×133233212232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13323321229) 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, 2795461 + ... + 2800222.
It is an arithmetic number, because the mean of its divisors is an integer number (3332229822).
Almost surely, 213323321223 is an apocalyptic number.
13323321223 is a deficient number, since it is larger than the sum of its proper divisors (5598065).
13323321223 is an equidigital number, since it uses as much as digits as its factorization.
13323321223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5598064.
The product of its digits is 3888, while the sum is 25.
Adding to 13323321223 its reverse (32212332331), we get a palindrome (45535653554).
The spelling of 13323321223 in words is "thirteen billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty-three".
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