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3105310043 = 111495993163
BaseRepresentation
bin1011100100010111…
…0100010101011011
322000102012002120002
42321011310111123
522324424410133
61232045323215
7136644462023
oct27105642533
98012162502
103105310043
111353959440
12727b6650b
133a6466c84
142165baa83
15132946ce8
hexb917455b

3105310043 has 16 divisors (see below), whose sum is σ = 3417120000. Its totient is φ = 2798496480.

The previous prime is 3105310001. The next prime is 3105310051. The reversal of 3105310043 is 3400135013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3105310043 - 212 = 3105305947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3105309997 and 3105310024.

It is not an unprimeable number, because it can be changed into a prime (3105310073) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 980180 + ... + 983342.

It is an arithmetic number, because the mean of its divisors is an integer number (213570000).

Almost surely, 23105310043 is an apocalyptic number.

3105310043 is a deficient number, since it is larger than the sum of its proper divisors (311809957).

3105310043 is a wasteful number, since it uses less digits than its factorization.

3105310043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3105310043 is about 55725.3088192430. The cubic root of 3105310043 is about 1458.9317955797.

Adding to 3105310043 its reverse (3400135013), we get a palindrome (6505445056).

The spelling of 3105310043 in words is "three billion, one hundred five million, three hundred ten thousand, forty-three".

Divisors: 1 11 149 599 1639 3163 6589 34793 89251 471287 981761 1894637 5184157 20841007 282300913 3105310043