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143211340211 = 178424196483
BaseRepresentation
bin1000010101100000001…
…1111010000110110011
3111200122122101212100112
42011120003322012303
54321244100341321
6145442420011535
713226624210132
oct2053003720663
9450578355315
10143211340211
1155810082615
1223909230bab
1310673ca13c4
146d07d29919
153ad2b0ea5b
hex21580fa1b3

143211340211 has 4 divisors (see below), whose sum is σ = 151635536712. Its totient is φ = 134787143712.

The previous prime is 143211340201. The next prime is 143211340219. The reversal of 143211340211 is 112043112341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112043112341 = 234871439667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143211340211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143211340219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4212098225 + ... + 4212098258.

It is an arithmetic number, because the mean of its divisors is an integer number (37908884178).

Almost surely, 2143211340211 is an apocalyptic number.

143211340211 is a deficient number, since it is larger than the sum of its proper divisors (8424196501).

143211340211 is an equidigital number, since it uses as much as digits as its factorization.

143211340211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424196500.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 143211340211 its reverse (112043112341), we get a palindrome (255254452552).

The spelling of 143211340211 in words is "one hundred forty-three billion, two hundred eleven million, three hundred forty thousand, two hundred eleven".

Divisors: 1 17 8424196483 143211340211