Base | Representation |
---|---|
bin | 1100000001101011100011… |
… | …1100001001011011111001 |
3 | 1201211002220110010122001211 |
4 | 3000122320330021123321 |
5 | 3213121212100041441 |
6 | 44042322400043121 |
7 | 2533221365312320 |
oct | 300327074113371 |
9 | 51732813118054 |
10 | 13223012112121 |
11 | 4238936683379 |
12 | 15968600034a1 |
13 | 74bc03717786 |
14 | 339dd64690b7 |
15 | 17de6300ea81 |
hex | c06b8f096f9 |
13223012112121 has 8 divisors (see below), whose sum is σ = 15520446649280. Its totient is φ = 11027685776688.
The previous prime is 13223012112109. The next prime is 13223012112131. The reversal of 13223012112121 is 12121121032231.
It is a happy number.
13223012112121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13223012112121 - 27 = 13223012111993 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13223012112092 and 13223012112101.
It is not an unprimeable number, because it can be changed into a prime (13223012112131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25527050151 + ... + 25527050668.
It is an arithmetic number, because the mean of its divisors is an integer number (1940055831160).
Almost surely, 213223012112121 is an apocalyptic number.
It is an amenable number.
13223012112121 is a deficient number, since it is larger than the sum of its proper divisors (2297434537159).
13223012112121 is an equidigital number, since it uses as much as digits as its factorization.
13223012112121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51054100863.
The product of its (nonzero) digits is 288, while the sum is 22.
Adding to 13223012112121 its reverse (12121121032231), we get a palindrome (25344133144352).
The spelling of 13223012112121 in words is "thirteen trillion, two hundred twenty-three billion, twelve million, one hundred twelve thousand, one hundred twenty-one".
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