Search a number
-
+
3086135809 = 7327612
BaseRepresentation
bin1011011111110010…
…1011001000000001
321222002002221110021
42313330223020001
522310022321214
61230122333441
7136322502331
oct26774531001
97862087407
103086135809
111344052569
1272165a281
133a24b2683
14213c290c1
15130e0a924
hexb7f2b201

3086135809 has 9 divisors (see below), whose sum is σ = 3133107849. Its totient is φ = 3039860160.

The previous prime is 3086135807. The next prime is 3086135821. The reversal of 3086135809 is 9085316803.

The square root of 3086135809 is 55553.

It is a perfect power (a square), and thus also a powerful number.

3086135809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1178892225 + 1907243584 = 34335^2 + 43672^2 .

It is not a de Polignac number, because 3086135809 - 21 = 3086135807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3086135803) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4054989 + ... + 4055749.

Almost surely, 23086135809 is an apocalyptic number.

3086135809 is the 55553-rd square number.

3086135809 is the 27777-th centered octagonal number.

It is an amenable number.

3086135809 is a deficient number, since it is larger than the sum of its proper divisors (46972040).

3086135809 is an frugal number, since it uses more digits than its factorization.

3086135809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The cubic root of 3086135809 is about 1455.9227912166.

The spelling of 3086135809 in words is "three billion, eighty-six million, one hundred thirty-five thousand, eight hundred nine".

Divisors: 1 73 761 5329 55553 579121 4055369 42275833 3086135809