Base | Representation |
---|---|
bin | 1100010101110011001… |
… | …0110011101100010111 |
3 | 202021020100122002110220 |
4 | 3011130302303230113 |
5 | 11433144104022221 |
6 | 241221322445423 |
7 | 21213545065401 |
oct | 3053462635427 |
9 | 667210562426 |
10 | 212010220311 |
11 | 81a0527350a |
12 | 35109963873 |
13 | 16cb9621906 |
14 | a3931ddb71 |
15 | 57aca630c6 |
hex | 315ccb3b17 |
212010220311 has 16 divisors (see below), whose sum is σ = 286690763520. Its totient is φ = 139335315840.
The previous prime is 212010220309. The next prime is 212010220339. The reversal of 212010220311 is 113022010212.
It is not a de Polignac number, because 212010220311 - 21 = 212010220309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212010220351) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315775 + ... + 2405583.
It is an arithmetic number, because the mean of its divisors is an integer number (17918172720).
Almost surely, 2212010220311 is an apocalyptic number.
212010220311 is a deficient number, since it is larger than the sum of its proper divisors (74680543209).
212010220311 is a wasteful number, since it uses less digits than its factorization.
212010220311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100966.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 212010220311 its reverse (113022010212), we get a palindrome (325032230523).
The spelling of 212010220311 in words is "two hundred twelve billion, ten million, two hundred twenty thousand, three hundred eleven".
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