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42533013851 = 43989139857
BaseRepresentation
bin100111100111001010…
…100100100101011011
311001210012100222021022
4213213022210211123
51144101422420401
631312302033055
73034002436556
oct474712444533
9131705328238
1042533013851
1117046860919
1282b027878b
13401aaa0723
1420b6b7369d
15118e08471b
hex9e72a495b

42533013851 has 4 divisors (see below), whose sum is σ = 43522153752. Its totient is φ = 41543873952.

The previous prime is 42533013769. The next prime is 42533013857. The reversal of 42533013851 is 15831033524.

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-42533013851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42533013857) 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, 494569886 + ... + 494569971.

It is an arithmetic number, because the mean of its divisors is an integer number (10880538438).

Almost surely, 242533013851 is an apocalyptic number.

42533013851 is a deficient number, since it is larger than the sum of its proper divisors (989139901).

42533013851 is an equidigital number, since it uses as much as digits as its factorization.

42533013851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989139900.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 42533013851 in words is "forty-two billion, five hundred thirty-three million, thirteen thousand, eight hundred fifty-one".

Divisors: 1 43 989139857 42533013851