Base | Representation |
---|---|
bin | 110000010000000101001100… |
… | …011010000100100101100101 |
3 | 1000211101012111211111210212012 |
4 | 300100011030122010211211 |
5 | 210303332241140443023 |
6 | 2031200311322404005 |
7 | 62461522235421413 |
oct | 6020051432044545 |
9 | 1024335454453765 |
10 | 212211321031013 |
11 | 61687352425527 |
12 | 1b973b86060605 |
13 | 9154598577845 |
14 | 3a591230802b3 |
15 | 1980184288978 |
hex | c1014c684965 |
212211321031013 has 16 divisors (see below), whose sum is σ = 215267633786880. Its totient is φ = 209170913952000.
The previous prime is 212211321030949. The next prime is 212211321031057. The reversal of 212211321031013 is 310130123112212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 212211321031013 - 26 = 212211321030949 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212211321031013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212211321031313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35580188 + ... + 41114138.
It is an arithmetic number, because the mean of its divisors is an integer number (13454227111680).
Almost surely, 2212211321031013 is an apocalyptic number.
It is an amenable number.
212211321031013 is a deficient number, since it is larger than the sum of its proper divisors (3056312755867).
212211321031013 is an equidigital number, since it uses as much as digits as its factorization.
212211321031013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5535388.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 212211321031013 its reverse (310130123112212), we get a palindrome (522341444143225).
The spelling of 212211321031013 in words is "two hundred twelve trillion, two hundred eleven billion, three hundred twenty-one million, thirty-one thousand, thirteen".
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