Search a number
-
+
4069785305 = 5813957061
BaseRepresentation
bin1111001010010011…
…1111111011011001
3101111122000111220002
43302210333323121
531313331112210
61511501342345
7202565414165
oct36244777331
911448014802
104069785305
1117a9318a33
12956b679b5
134cb2165b1
142a871bca5
1518c45c4a5
hexf293fed9

4069785305 has 4 divisors (see below), whose sum is σ = 4883742372. Its totient is φ = 3255828240.

The previous prime is 4069785299. The next prime is 4069785311. The reversal of 4069785305 is 5035879604.

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

It is an interprime number because it is at equal distance from previous prime (4069785299) and next prime (4069785311).

It can be written as a sum of positive squares in 2 ways, for example, as 741418441 + 3328366864 = 27229^2 + 57692^2 .

It is not a de Polignac number, because 4069785305 - 216 = 4069719769 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 4069785305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406978526 + ... + 406978535.

It is an arithmetic number, because the mean of its divisors is an integer number (1220935593).

Almost surely, 24069785305 is an apocalyptic number.

It is an amenable number.

4069785305 is a deficient number, since it is larger than the sum of its proper divisors (813957067).

4069785305 is an equidigital number, since it uses as much as digits as its factorization.

4069785305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813957066.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 4069785305 is about 63794.8689551127. The cubic root of 4069785305 is about 1596.5793203109.

The spelling of 4069785305 in words is "four billion, sixty-nine million, seven hundred eighty-five thousand, three hundred five".

Divisors: 1 5 813957061 4069785305