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4805105819 = 15013320063
BaseRepresentation
bin1000111100110100…
…00001100010011011
3110101212122200000012
410132122001202123
534320101341234
62112450032135
7230034503603
oct43632014233
913355580005
104805105819
1120463a2138
12b2127864b
135b76715a7
1433824bc03
151d1caa0ce
hex11e68189b

4805105819 has 4 divisors (see below), whose sum is σ = 4805440896. Its totient is φ = 4804770744.

The previous prime is 4805105801. The next prime is 4805105831. The reversal of 4805105819 is 9185015084.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4805105819 is a prime.

It is a super-2 number, since 2×48051058192 = 46178083863575321522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4805105869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145019 + ... + 175044.

It is an arithmetic number, because the mean of its divisors is an integer number (1201360224).

Almost surely, 24805105819 is an apocalyptic number.

4805105819 is a deficient number, since it is larger than the sum of its proper divisors (335077).

4805105819 is a wasteful number, since it uses less digits than its factorization.

4805105819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335076.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 4805105819 is about 69318.8705837018. The cubic root of 4805105819 is about 1687.4632317842.

The spelling of 4805105819 in words is "four billion, eight hundred five million, one hundred five thousand, eight hundred nineteen".

Divisors: 1 15013 320063 4805105819