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42142144303 = 76020306329
BaseRepresentation
bin100111001111110111…
…100001011100101111
311000202221212202001101
4213033313201130233
51142301342104203
631205420223531
73021215213320
oct471767413457
9130687782041
1042142144303
1116966161836
12820139aba7
133c87b07c7c
14207aca8447
151169ac641d
hex9cfde172f

42142144303 has 4 divisors (see below), whose sum is σ = 48162450640. Its totient is φ = 36121837968.

The previous prime is 42142144259. The next prime is 42142144313. The reversal of 42142144303 is 30344124124.

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 42142144303 - 225 = 42108589871 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 (42142144313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010153158 + ... + 3010153171.

It is an arithmetic number, because the mean of its divisors is an integer number (12040612660).

Almost surely, 242142144303 is an apocalyptic number.

42142144303 is a deficient number, since it is larger than the sum of its proper divisors (6020306337).

42142144303 is an equidigital number, since it uses as much as digits as its factorization.

42142144303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020306336.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42142144303 its reverse (30344124124), we get a palindrome (72486268427).

The spelling of 42142144303 in words is "forty-two billion, one hundred forty-two million, one hundred forty-four thousand, three hundred three".

Divisors: 1 7 6020306329 42142144303