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105866067894 = 2317644344649
BaseRepresentation
bin110001010011000011…
…0111111111110110110
3101010020222200110121120
41202212012333332312
53213303203133034
6120344553124410
710435313505156
oct1424606777666
9333228613546
10105866067894
11409966a97a4
12186263b9706
139ca1c14032
1451a4168766
152b49218c49
hex18a61bffb6

105866067894 has 8 divisors (see below), whose sum is σ = 211732135800. Its totient is φ = 35288689296.

The previous prime is 105866067859. The next prime is 105866067899. The reversal of 105866067894 is 498760668501.

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

105866067894 is an admirable number.

It is a super-2 number, since 2×1058660678942 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105866067899) 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, 8822172319 + ... + 8822172330.

It is an arithmetic number, because the mean of its divisors is an integer number (26466516975).

Almost surely, 2105866067894 is an apocalyptic number.

105866067894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105866067894 is a wasteful number, since it uses less digits than its factorization.

105866067894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17644344654.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 105866067894 in words is "one hundred five billion, eight hundred sixty-six million, sixty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 17644344649 35288689298 52933033947 105866067894