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2431344143 = 12241198623
BaseRepresentation
bin1001000011101011…
…0101111000001111
320021110000002011002
42100322311320033
514434411003033
61041132050515
7114152040614
oct22072657017
96243002132
102431344143
111038480928
1257a303a3b
132c9941697
14190c9c50b
15e36b83e8
hex90eb5e0f

2431344143 has 4 divisors (see below), whose sum is σ = 2431555008. Its totient is φ = 2431133280.

The previous prime is 2431344133. The next prime is 2431344151. The reversal of 2431344143 is 3414431342.

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 2431344143 - 224 = 2414566927 is a prime.

It is a super-2 number, since 2×24313441432 = 11822868683400808898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431344103) 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, 87071 + ... + 111552.

It is an arithmetic number, because the mean of its divisors is an integer number (607888752).

Almost surely, 22431344143 is an apocalyptic number.

2431344143 is a deficient number, since it is larger than the sum of its proper divisors (210865).

2431344143 is a wasteful number, since it uses less digits than its factorization.

2431344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210864.

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

The square root of 2431344143 is about 49308.6619469642. The cubic root of 2431344143 is about 1344.6692650581.

Adding to 2431344143 its reverse (3414431342), we get a palindrome (5845775485).

The spelling of 2431344143 in words is "two billion, four hundred thirty-one million, three hundred forty-four thousand, one hundred forty-three".

Divisors: 1 12241 198623 2431344143