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42213106105 = 526931385209
BaseRepresentation
bin100111010100000110…
…001110000110111001
311000221220101222100021
4213110012032012321
51142423023343410
631220433210441
73023036324122
oct472406160671
9130856358307
1042213106105
11169a221a455
128221100a21
133c997224c1
14208649b049
151170e41eda
hex9d418e1b9

42213106105 has 8 divisors (see below), whose sum is σ = 50844040200. Its totient is φ = 33644942976.

The previous prime is 42213106087. The next prime is 42213106139. The reversal of 42213106105 is 50160131224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 222129216 + 41990976889 = 14904^2 + 204917^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42213106105 - 227 = 42078888377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42213106105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15691260 + ... + 15693949.

It is an arithmetic number, because the mean of its divisors is an integer number (6355505025).

Almost surely, 242213106105 is an apocalyptic number.

It is an amenable number.

42213106105 is a deficient number, since it is larger than the sum of its proper divisors (8630934095).

42213106105 is a wasteful number, since it uses less digits than its factorization.

42213106105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31385483.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 42213106105 its reverse (50160131224), we get a palindrome (92373237329).

The spelling of 42213106105 in words is "forty-two billion, two hundred thirteen million, one hundred six thousand, one hundred five".

Divisors: 1 5 269 1345 31385209 156926045 8442621221 42213106105