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8442041105 = 51688408221
BaseRepresentation
bin1111101110010111…
…10101001100010001
3210210100012010022002
413313023311030101
5114242130303410
63513410123345
7416126110511
oct76713651421
923710163262
108442041105
113642348483
121777280555
13a46cb42c4
145a1293841
153462157a5
hex1f72f5311

8442041105 has 4 divisors (see below), whose sum is σ = 10130449332. Its totient is φ = 6753632880.

The previous prime is 8442041093. The next prime is 8442041123. The reversal of 8442041105 is 5011402448.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6491847184 + 1950193921 = 80572^2 + 44161^2 .

It is not a de Polignac number, because 8442041105 - 24 = 8442041089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 844204106 + ... + 844204115.

It is an arithmetic number, because the mean of its divisors is an integer number (2532612333).

Almost surely, 28442041105 is an apocalyptic number.

It is an amenable number.

8442041105 is a deficient number, since it is larger than the sum of its proper divisors (1688408227).

8442041105 is a wasteful number, since it uses less digits than its factorization.

8442041105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688408226.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8442041105 is about 91880.5806740467. The cubic root of 8442041105 is about 2036.1783752517.

The spelling of 8442041105 in words is "eight billion, four hundred forty-two million, forty-one thousand, one hundred five".

Divisors: 1 5 1688408221 8442041105