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42142103103 = 314047367701
BaseRepresentation
bin100111001111110111…
…010111011000111111
311000202221210122112110
4213033313113120333
51142301334244403
631205415305103
73021214652232
oct471767273077
9130687718473
1042142103103
1116966133891
12820137b193
133c87ac22a9
14207ac97419
151169ab9103
hex9cfdd763f

42142103103 has 4 divisors (see below), whose sum is σ = 56189470808. Its totient is φ = 28094735400.

The previous prime is 42142103039. The next prime is 42142103147. The reversal of 42142103103 is 30130124124.

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

It is not a de Polignac number, because 42142103103 - 26 = 42142103039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42142103103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142103203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7023683848 + ... + 7023683853.

It is an arithmetic number, because the mean of its divisors is an integer number (14047367702).

Almost surely, 242142103103 is an apocalyptic number.

42142103103 is a deficient number, since it is larger than the sum of its proper divisors (14047367705).

42142103103 is a wasteful number, since it uses less digits than its factorization.

42142103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14047367704.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42142103103 its reverse (30130124124), we get a palindrome (72272227227).

The spelling of 42142103103 in words is "forty-two billion, one hundred forty-two million, one hundred three thousand, one hundred three".

Divisors: 1 3 14047367701 42142103103