Base | Representation |
---|---|
bin | 11000100111111101… |
… | …01100000010110011 |
3 | 1021010022221210002101 |
4 | 30103332230002303 |
5 | 204033321233243 |
6 | 10023452401231 |
7 | 645415005241 |
oct | 142376540263 |
9 | 37108853071 |
10 | 13220102323 |
11 | 56744485aa |
12 | 268b476217 |
13 | 1328b76b6c |
14 | 8d5aa1791 |
15 | 52592c54d |
hex | 313fac0b3 |
13220102323 has 4 divisors (see below), whose sum is σ = 13228320280. Its totient is φ = 13211884368.
The previous prime is 13220102317. The next prime is 13220102327. The reversal of 13220102323 is 32320102231.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13220102323 - 217 = 13219971251 is a prime.
It is a super-2 number, since 2×132201023232 (a number of 21 digits) contains 22 as substring.
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 13220102323.
It is not an unprimeable number, because it can be changed into a prime (13220102327) 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, 4106565 + ... + 4109782.
It is an arithmetic number, because the mean of its divisors is an integer number (3307080070).
Almost surely, 213220102323 is an apocalyptic number.
13220102323 is a deficient number, since it is larger than the sum of its proper divisors (8217957).
13220102323 is an equidigital number, since it uses as much as digits as its factorization.
13220102323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8217956.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 13220102323 its reverse (32320102231), we get a palindrome (45540204554).
The spelling of 13220102323 in words is "thirteen billion, two hundred twenty million, one hundred two thousand, three hundred twenty-three".
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