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3805106113 = 13732771381
BaseRepresentation
bin1110001011001101…
…0100111111000001
3100211011222102022001
43202303110333001
530243101343423
61425324344001
7163202603554
oct34263247701
910734872261
103805106113
1116829795a6
128a23a5001
134884345a3
1428150069b
151740c8cad
hexe2cd4fc1

3805106113 has 4 divisors (see below), whose sum is σ = 3807878868. Its totient is φ = 3802333360.

The previous prime is 3805106101. The next prime is 3805106171. The reversal of 3805106113 is 3116015083.

3805106113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3116015083 = 5036194861.

It can be written as a sum of positive squares in 2 ways, for example, as 3350904769 + 454201344 = 57887^2 + 21312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3805106113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3805106183) 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 3 ways as a sum of consecutive naturals, for example, 1384318 + ... + 1387063.

It is an arithmetic number, because the mean of its divisors is an integer number (951969717).

Almost surely, 23805106113 is an apocalyptic number.

It is an amenable number.

3805106113 is a deficient number, since it is larger than the sum of its proper divisors (2772755).

3805106113 is a wasteful number, since it uses less digits than its factorization.

3805106113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772754.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3805106113 is about 61685.5421715656. The cubic root of 3805106113 is about 1561.1893889401.

The spelling of 3805106113 in words is "three billion, eight hundred five million, one hundred six thousand, one hundred thirteen".

Divisors: 1 1373 2771381 3805106113