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42881605267 = 199689232937
BaseRepresentation
bin100111111011111100…
…010101111010010011
311002200111022020210111
4213323330111322103
51200310142332032
631411033342151
73045434426224
oct477374257223
9132614266714
1042881605267
11172056037a6
128388b67957
134075082737
14210b19524b
1511ae990c47
hex9fbf15e93

42881605267 has 8 divisors (see below), whose sum is σ = 45143384400. Its totient is φ = 40620311424.

The previous prime is 42881605201. The next prime is 42881605297. The reversal of 42881605267 is 76250618824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42881605267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42881605267.

It is not an unprimeable number, because it can be changed into a prime (42881605297) 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 7 ways as a sum of consecutive naturals, for example, 67623 + ... + 300559.

It is an arithmetic number, because the mean of its divisors is an integer number (5642923050).

Almost surely, 242881605267 is an apocalyptic number.

42881605267 is a deficient number, since it is larger than the sum of its proper divisors (2261779133).

42881605267 is a wasteful number, since it uses less digits than its factorization.

42881605267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242645.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 42881605267 in words is "forty-two billion, eight hundred eighty-one million, six hundred five thousand, two hundred sixty-seven".

Divisors: 1 19 9689 184091 232937 4425803 2256926593 42881605267