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42857761889143 = 433286433455597
BaseRepresentation
bin10011011111010100110011…
…01011000101101101110111
312121202011101010002121002201
421233222121223011231313
521104140144020423033
6231052330051245331
712012241202233015
oct1157523153055567
9177664333077081
1042857761889143
1112723969317913
1249821558a9847
131abb61494c316
14a824808258b5
154e4c66ee547d
hex26fa99ac5b77

42857761889143 has 8 divisors (see below), whose sum is σ = 42958252714608. Its totient is φ = 42757278033024.

The previous prime is 42857761889083. The next prime is 42857761889167. The reversal of 42857761889143 is 34198816775824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42857761889143 - 213 = 42857761880951 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 (42857761884143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10674621 + ... + 14130217.

It is an arithmetic number, because the mean of its divisors is an integer number (5369781589326).

Almost surely, 242857761889143 is an apocalyptic number.

42857761889143 is a deficient number, since it is larger than the sum of its proper divisors (100490825465).

42857761889143 is a wasteful number, since it uses less digits than its factorization.

42857761889143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484673.

The product of its digits is 650280960, while the sum is 73.

The spelling of 42857761889143 in words is "forty-two trillion, eight hundred fifty-seven billion, seven hundred sixty-one million, eight hundred eighty-nine thousand, one hundred forty-three".

Divisors: 1 433 28643 3455597 12402419 1496273501 98978664871 42857761889143