Base | Representation |
---|---|
bin | 1100010111011010011… |
… | …0000111010010010110 |
3 | 202022100112011200012110 |
4 | 3011312212013102112 |
5 | 11440040413202220 |
6 | 241332304531450 |
7 | 21230352362250 |
oct | 3056646072226 |
9 | 668315150173 |
10 | 212443100310 |
11 | 82107656681 |
12 | 3520a920b86 |
13 | 1705820601c |
14 | a3d48c2cd0 |
15 | 57d5a6dbe0 |
hex | 3176987496 |
212443100310 has 64 divisors (see below), whose sum is σ = 582894692352. Its totient is φ = 48542288256.
The previous prime is 212443100297. The next prime is 212443100327. The reversal of 212443100310 is 13001344212.
212443100310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2124431003102 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 471219 + ... + 804321.
It is an arithmetic number, because the mean of its divisors is an integer number (9107729568).
Almost surely, 2212443100310 is an apocalyptic number.
212443100310 is an abundant number, since it is smaller than the sum of its proper divisors (370451592042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212443100310 is a wasteful number, since it uses less digits than its factorization.
212443100310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336157.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 212443100310 its reverse (13001344212), we get a palindrome (225444444522).
The spelling of 212443100310 in words is "two hundred twelve billion, four hundred forty-three million, one hundred thousand, three hundred ten".
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