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3144234143 = 29108421867
BaseRepresentation
bin1011101101101001…
…0011010010011111
322010010102122101102
42323122103102133
522414410443033
61235555503315
7140626356251
oct27332232237
98103378342
103144234143
111373924716
12738bb7b3b
133b1544b9b
1421b82dcd1
15136084de8
hexbb69349f

3144234143 has 4 divisors (see below), whose sum is σ = 3252656040. Its totient is φ = 3035812248.

The previous prime is 3144234127. The next prime is 3144234151. The reversal of 3144234143 is 3414324413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3144234143 - 24 = 3144234127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 108421867 = 3144234143 / (3 + 1 + 4 + 4 + 2 + 3 + 4 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144234103) 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 3 ways as a sum of consecutive naturals, for example, 54210905 + ... + 54210962.

It is an arithmetic number, because the mean of its divisors is an integer number (813164010).

Almost surely, 23144234143 is an apocalyptic number.

3144234143 is a deficient number, since it is larger than the sum of its proper divisors (108421897).

3144234143 is a wasteful number, since it uses less digits than its factorization.

3144234143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108421896.

The product of its digits is 13824, while the sum is 29.

The square root of 3144234143 is about 56073.4709376903. The cubic root of 3144234143 is about 1465.0022548083.

Adding to 3144234143 its reverse (3414324413), we get a palindrome (6558558556).

The spelling of 3144234143 in words is "three billion, one hundred forty-four million, two hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 29 108421867 3144234143