Base | Representation |
---|---|
bin | 11000010000011111… |
… | …00111001010111110 |
3 | 1020121121110201122102 |
4 | 30020033213022332 |
5 | 203132420242342 |
6 | 5552140345102 |
7 | 640504322516 |
oct | 141017471276 |
9 | 36547421572 |
10 | 13023212222 |
11 | 558329a109 |
12 | 2635545192 |
13 | 12c713b247 |
14 | 8b788c846 |
15 | 5134d9832 |
hex | 3083e72be |
13023212222 has 4 divisors (see below), whose sum is σ = 19534818336. Its totient is φ = 6511606110.
The previous prime is 13023212201. The next prime is 13023212227. The reversal of 13023212222 is 22221232031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22221232031 = 2143 ⋅10369217.
It is a junction number, because it is equal to n+sod(n) for n = 13023212194 and 13023212203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023212227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255803054 + ... + 3255803057.
It is an arithmetic number, because the mean of its divisors is an integer number (4883704584).
Almost surely, 213023212222 is an apocalyptic number.
13023212222 is a deficient number, since it is larger than the sum of its proper divisors (6511606114).
13023212222 is an equidigital number, since it uses as much as digits as its factorization.
13023212222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6511606113.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 13023212222 its reverse (22221232031), we get a palindrome (35244444253).
The spelling of 13023212222 in words is "thirteen billion, twenty-three million, two hundred twelve thousand, two hundred twenty-two".
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