Base | Representation |
---|---|
bin | 11000101000010011… |
… | …10010101101111010 |
3 | 1021010112102200010012 |
4 | 30110021302231322 |
5 | 204040042410432 |
6 | 10024035021522 |
7 | 645451521005 |
oct | 142411625572 |
9 | 37115380105 |
10 | 13223013242 |
11 | 567605661a |
12 | 269043a8a2 |
13 | 1329655aba |
14 | 8d621c53c |
15 | 525d04cb2 |
hex | 314272b7a |
13223013242 has 4 divisors (see below), whose sum is σ = 19834519866. Its totient is φ = 6611506620.
The previous prime is 13223013211. The next prime is 13223013263. The reversal of 13223013242 is 24231032231.
13223013242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 13213272601 + 9740641 = 114949^2 + 3121^2 .
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3305753309 + ... + 3305753312.
Almost surely, 213223013242 is an apocalyptic number.
13223013242 is a deficient number, since it is larger than the sum of its proper divisors (6611506624).
13223013242 is an equidigital number, since it uses as much as digits as its factorization.
13223013242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6611506623.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 13223013242 its reverse (24231032231), we get a palindrome (37454045473).
The spelling of 13223013242 in words is "thirteen billion, two hundred twenty-three million, thirteen thousand, two hundred forty-two".
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