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211144113443 = 8391155121787
BaseRepresentation
bin1100010010100100101…
…0110111110100100011
3202011222222220022012202
43010221022313310203
511424410343112233
6240555343043415
721153230231444
oct3045112676443
9664888808182
10211144113443
118160039060a
1234b078a056b
1316bac064243
14a3101872cb
15575b9cdbe8
hex31292b7d23

211144113443 has 8 divisors (see below), whose sum is σ = 211423779840. Its totient is φ = 210864515400.

The previous prime is 211144113421. The next prime is 211144113491. The reversal of 211144113443 is 344311441112.

It is a happy number.

211144113443 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 211144113443 - 26 = 211144113379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211144113043) 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, 9680396 + ... + 9702182.

It is an arithmetic number, because the mean of its divisors is an integer number (26427972480).

Almost surely, 2211144113443 is an apocalyptic number.

211144113443 is a deficient number, since it is larger than the sum of its proper divisors (279666397).

211144113443 is a wasteful number, since it uses less digits than its factorization.

211144113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34177.

The product of its digits is 4608, while the sum is 29.

Adding to 211144113443 its reverse (344311441112), we get a palindrome (555455554555).

The spelling of 211144113443 in words is "two hundred eleven billion, one hundred forty-four million, one hundred thirteen thousand, four hundred forty-three".

Divisors: 1 839 11551 21787 9691289 18279293 251661637 211144113443