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3804568813 = 73106149121
BaseRepresentation
bin1110001011000101…
…0001110011101101
3100211010222010021001
43202301101303231
530242432200223
61425305040301
7163165205233
oct34261216355
910733863231
103804568813
111682641951
128a2186091
134882a6b66
14281400953
1517401e9ad
hexe2c51ced

3804568813 has 8 divisors (see below), whose sum is σ = 3860399736. Its totient is φ = 3748838400.

The previous prime is 3804568799. The next prime is 3804568829. The reversal of 3804568813 is 3188654083.

It can be written as a sum of positive squares in 4 ways, for example, as 213802884 + 3590765929 = 14622^2 + 59923^2 .

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 3804568813 - 29 = 3804568301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804568843) 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 7 ways as a sum of consecutive naturals, for example, 52893 + ... + 102013.

It is an arithmetic number, because the mean of its divisors is an integer number (482549967).

Almost surely, 23804568813 is an apocalyptic number.

It is an amenable number.

3804568813 is a deficient number, since it is larger than the sum of its proper divisors (55830923).

3804568813 is a wasteful number, since it uses less digits than its factorization.

3804568813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 3804568813 is about 61681.1868643916. The cubic root of 3804568813 is about 1561.1159028998.

The spelling of 3804568813 in words is "three billion, eight hundred four million, five hundred sixty-eight thousand, eight hundred thirteen".

Divisors: 1 73 1061 49121 77453 3585833 52117381 3804568813