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212143301443 = 5915232360899
BaseRepresentation
bin1100010110010010111…
…0011110001101000011
3202021120122001022110201
43011210232132031003
511433432141121233
6241242435110031
721220052211133
oct3054456361503
9667518038421
10212143301443
1181a733aa317
1235146442317
131700b078948
14a3a6b62ac3
1557b959e77d
hex3164b9e343

212143301443 has 8 divisors (see below), whose sum is σ = 215880696000. Its totient is φ = 208410631848.

The previous prime is 212143301441. The next prime is 212143301467. The reversal of 212143301443 is 344103341212.

It is a happy number.

212143301443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212143301443 - 21 = 212143301441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212143301441) 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 7 ways as a sum of consecutive naturals, for example, 1090593 + ... + 1270306.

It is an arithmetic number, because the mean of its divisors is an integer number (26985087000).

Almost surely, 2212143301443 is an apocalyptic number.

212143301443 is a deficient number, since it is larger than the sum of its proper divisors (3737394557).

212143301443 is a wasteful number, since it uses less digits than its factorization.

212143301443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362481.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 212143301443 its reverse (344103341212), we get a palindrome (556246642655).

The spelling of 212143301443 in words is "two hundred twelve billion, one hundred forty-three million, three hundred one thousand, four hundred forty-three".

Divisors: 1 59 1523 89857 2360899 139293041 3595649177 212143301443