Base | Representation |
---|---|
bin | 110111111000101010… |
… | …1010011110011110101 |
3 | 102110202220122200220021 |
4 | 1233301111103303311 |
5 | 3431241312342323 |
6 | 131044435205141 |
7 | 11446014525613 |
oct | 1576125236365 |
9 | 373686580807 |
10 | 120013012213 |
11 | 46996242416 |
12 | 1b3141467b1 |
13 | b417ac1cc3 |
14 | 5b46d726b3 |
15 | 31c61c605d |
hex | 1bf1553cf5 |
120013012213 has 4 divisors (see below), whose sum is σ = 126329486560. Its totient is φ = 113696537868.
The previous prime is 120013012177. The next prime is 120013012267. The reversal of 120013012213 is 312210310021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312210310021 = 877 ⋅355998073.
It is a cyclic number.
It is not a de Polignac number, because 120013012213 - 221 = 120010915061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120013012013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158237145 + ... + 3158237182.
It is an arithmetic number, because the mean of its divisors is an integer number (31582371640).
Almost surely, 2120013012213 is an apocalyptic number.
It is an amenable number.
120013012213 is a deficient number, since it is larger than the sum of its proper divisors (6316474347).
120013012213 is an equidigital number, since it uses as much as digits as its factorization.
120013012213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6316474346.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 120013012213 its reverse (312210310021), we get a palindrome (432223322234).
The spelling of 120013012213 in words is "one hundred twenty billion, thirteen million, twelve thousand, two hundred thirteen".
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