Base | Representation |
---|---|
bin | 110000010000000110000111… |
… | …100011011001010101000101 |
3 | 1000211101022001222200212120001 |
4 | 300100012013203121111011 |
5 | 210303341304203043023 |
6 | 2031200554011041301 |
7 | 62461555645012342 |
oct | 6020060743312505 |
9 | 1024338058625501 |
10 | 212212313331013 |
11 | 6168781156a176 |
12 | 1b974202440231 |
13 | 91546c6019cc8 |
14 | 3a591b8b857c9 |
15 | 19801e14486ad |
hex | c101878d9545 |
212212313331013 has 4 divisors (see below), whose sum is σ = 212319113692000. Its totient is φ = 212105512970028.
The previous prime is 212212313331001. The next prime is 212212313331017. The reversal of 212212313331013 is 310133313212212.
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 212212313331013 - 25 = 212212313330981 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 (212212313331017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53400177513 + ... + 53400181486.
It is an arithmetic number, because the mean of its divisors is an integer number (53079778423000).
Almost surely, 2212212313331013 is an apocalyptic number.
It is an amenable number.
212212313331013 is a deficient number, since it is larger than the sum of its proper divisors (106800360987).
212212313331013 is a wasteful number, since it uses less digits than its factorization.
212212313331013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106800360986.
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 212212313331013 its reverse (310133313212212), we get a palindrome (522345626543225).
The spelling of 212212313331013 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred thirteen million, three hundred thirty-one thousand, thirteen".
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