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42342812803 = 231840991861
BaseRepresentation
bin100111011011110101…
…000000110010000011
311001021221110202111001
4213123311000302003
51143204230002203
631241345232431
73026202653554
oct473365006203
9131257422431
1042342812803
1116a59460a75
128258632717
133cba567625
1420997c232b
15117c51391d
hex9dbd40c83

42342812803 has 4 divisors (see below), whose sum is σ = 44183804688. Its totient is φ = 40501820920.

The previous prime is 42342812791. The next prime is 42342812807. The reversal of 42342812803 is 30821824324.

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-42342812803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342812807) 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, 920495908 + ... + 920495953.

It is an arithmetic number, because the mean of its divisors is an integer number (11045951172).

Almost surely, 242342812803 is an apocalyptic number.

42342812803 is a deficient number, since it is larger than the sum of its proper divisors (1840991885).

42342812803 is a wasteful number, since it uses less digits than its factorization.

42342812803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840991884.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 42342812803 in words is "forty-two billion, three hundred forty-two million, eight hundred twelve thousand, eight hundred three".

Divisors: 1 23 1840991861 42342812803