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5057858809 = 6469781861
BaseRepresentation
bin1001011010111100…
…01100110011111001
3111001111020211221001
410231132030303321
540324302440214
62153515245001
7236224043023
oct45536146371
914044224831
105057858809
112166036203
12b91a49761
13627b39083
1435da43013
151e9084c74
hex12d78ccf9

5057858809 has 4 divisors (see below), whose sum is σ = 5058647140. Its totient is φ = 5057070480.

The previous prime is 5057858807. The next prime is 5057858833. The reversal of 5057858809 is 9088587505.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133749225 + 4924109584 = 11565^2 + 70172^2 .

It is a cyclic number.

It is not a de Polignac number, because 5057858809 - 21 = 5057858807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5057858809.

It is not an unprimeable number, because it can be changed into a prime (5057858803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384462 + ... + 397399.

It is an arithmetic number, because the mean of its divisors is an integer number (1264661785).

Almost surely, 25057858809 is an apocalyptic number.

It is an amenable number.

5057858809 is a deficient number, since it is larger than the sum of its proper divisors (788331).

5057858809 is an equidigital number, since it uses as much as digits as its factorization.

5057858809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788330.

The product of its (nonzero) digits is 4032000, while the sum is 55.

The square root of 5057858809 is about 71118.6249093724. The cubic root of 5057858809 is about 1716.5464787107.

The spelling of 5057858809 in words is "five billion, fifty-seven million, eight hundred fifty-eight thousand, eight hundred nine".

Divisors: 1 6469 781861 5057858809