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2143144312141 = 7306163473163
BaseRepresentation
bin11111001011111101010…
…110101111110101001101
321120212211102010100002111
4133023331112233311031
5240103124420442031
64320314044224021
7310560054040120
oct37137526576515
97525742110074
102143144312141
117569a21021a8
122a743283b011
131271366978a1
1475a2b92c3b7
153ab34c9c1b1
hex1f2fd5afd4d

2143144312141 has 4 divisors (see below), whose sum is σ = 2449307785312. Its totient is φ = 1836980838972.

The previous prime is 2143144312129. The next prime is 2143144312181. The reversal of 2143144312141 is 1412134413412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2143144312141 - 27 = 2143144312013 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 (2143144312181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153081736575 + ... + 153081736588.

It is an arithmetic number, because the mean of its divisors is an integer number (612326946328).

Almost surely, 22143144312141 is an apocalyptic number.

It is an amenable number.

2143144312141 is a deficient number, since it is larger than the sum of its proper divisors (306163473171).

2143144312141 is an equidigital number, since it uses as much as digits as its factorization.

2143144312141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306163473170.

The product of its digits is 9216, while the sum is 31.

Adding to 2143144312141 its reverse (1412134413412), we get a palindrome (3555278725553).

The spelling of 2143144312141 in words is "two trillion, one hundred forty-three billion, one hundred forty-four million, three hundred twelve thousand, one hundred forty-one".

Divisors: 1 7 306163473163 2143144312141