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42433434143 = 291463221867
BaseRepresentation
bin100111100001001110…
…101101001000011111
311001112020222210120222
4213201032231020133
51143400424343033
631254343431555
73031353144662
oct474116551037
9131466883528
1042433434143
1116aa5627141
128282a555bb
134003276319
1420a78516d9
151185464598
hex9e13ad21f

42433434143 has 4 divisors (see below), whose sum is σ = 43896656040. Its totient is φ = 40970212248.

The previous prime is 42433434097. The next prime is 42433434187. The reversal of 42433434143 is 34143433424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42433434143 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 (42433439143) 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, 731610905 + ... + 731610962.

It is an arithmetic number, because the mean of its divisors is an integer number (10974164010).

Almost surely, 242433434143 is an apocalyptic number.

42433434143 is a deficient number, since it is larger than the sum of its proper divisors (1463221897).

42433434143 is a wasteful number, since it uses less digits than its factorization.

42433434143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463221896.

The product of its digits is 165888, while the sum is 35.

Adding to 42433434143 its reverse (34143433424), we get a palindrome (76576867567).

The spelling of 42433434143 in words is "forty-two billion, four hundred thirty-three million, four hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 29 1463221867 42433434143