Base | Representation |
---|---|
bin | 101011110101010000010… |
… | …110011000111101111101 |
3 | 101122221210211102020010101 |
4 | 223311100112120331331 |
5 | 343322310222334323 |
6 | 10223425431441101 |
7 | 430422100405330 |
oct | 53652026307575 |
9 | 11587724366111 |
10 | 3012120121213 |
11 | a61484312185 |
12 | 407928b26191 |
13 | 18b070831868 |
14 | a5b04862617 |
15 | 535437e0dad |
hex | 2bd50598f7d |
3012120121213 has 4 divisors (see below), whose sum is σ = 3442422995680. Its totient is φ = 2581817246748.
The previous prime is 3012120121207. The next prime is 3012120121217. The reversal of 3012120121213 is 3121210212103.
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.
It is a cyclic number.
It is not a de Polignac number, because 3012120121213 - 25 = 3012120121181 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 (3012120121217) 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, 215151437223 + ... + 215151437236.
It is an arithmetic number, because the mean of its divisors is an integer number (860605748920).
Almost surely, 23012120121213 is an apocalyptic number.
It is an amenable number.
3012120121213 is a deficient number, since it is larger than the sum of its proper divisors (430302874467).
3012120121213 is an equidigital number, since it uses as much as digits as its factorization.
3012120121213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430302874466.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 3012120121213 its reverse (3121210212103), we get a palindrome (6133330333316).
The spelling of 3012120121213 in words is "three trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, two hundred thirteen".
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