Search a number
-
+
6720707011 = 20273315593
BaseRepresentation
bin1100100001001010…
…11101100111000011
3122100101012021211111
412100211131213003
5102231000111021
63030520024151
7325355031664
oct62045354703
918311167744
106720707011
112939733717
121376902057
138314a8315
1447a81736b
1529504a8e1
hex19095d9c3

6720707011 has 4 divisors (see below), whose sum is σ = 6724024632. Its totient is φ = 6717389392.

The previous prime is 6720707009. The next prime is 6720707033. The reversal of 6720707011 is 1107070276.

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

It is a cyclic number.

It is not a de Polignac number, because 6720707011 - 21 = 6720707009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6720707611) 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, 1655770 + ... + 1659823.

It is an arithmetic number, because the mean of its divisors is an integer number (1681006158).

Almost surely, 26720707011 is an apocalyptic number.

6720707011 is a deficient number, since it is larger than the sum of its proper divisors (3317621).

6720707011 is a wasteful number, since it uses less digits than its factorization.

6720707011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317620.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 6720707011 is about 81979.9183397983. The cubic root of 6720707011 is about 1887.1437695983.

Adding to 6720707011 its reverse (1107070276), we get a palindrome (7827777287).

The spelling of 6720707011 in words is "six billion, seven hundred twenty million, seven hundred seven thousand, eleven".

Divisors: 1 2027 3315593 6720707011