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143012231111 = 1727730369979
BaseRepresentation
bin1000010100110000110…
…0010111011111000111
3111200010202202002000102
42011030030113133013
54320342112343421
6145410544234315
713221655623131
oct2051414273707
9450122662012
10143012231111
1155718748a42
122387260b99b
1310641969779
146cc96da051
153ac03ce60b
hex214c3177c7

143012231111 has 8 divisors (see below), whose sum is σ = 151971379920. Its totient is φ = 134113822848.

The previous prime is 143012231101. The next prime is 143012231123. The reversal of 143012231111 is 111132210341.

143012231111 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 143012231111 - 226 = 142945122247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143012231101) 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, 15180281 + ... + 15189698.

It is an arithmetic number, because the mean of its divisors is an integer number (18996422490).

Almost surely, 2143012231111 is an apocalyptic number.

143012231111 is a deficient number, since it is larger than the sum of its proper divisors (8959148809).

143012231111 is a wasteful number, since it uses less digits than its factorization.

143012231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30370273.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 143012231111 its reverse (111132210341), we get a palindrome (254144441452).

The spelling of 143012231111 in words is "one hundred forty-three billion, twelve million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 17 277 4709 30369979 516289643 8412484183 143012231111