Search a number
-
+
4180005061 = 8946966349
BaseRepresentation
bin1111100100100101…
…1101000011000101
3101210022102020222021
43321021131003011
532030040130221
61530440003141
7205404312451
oct37111350305
911708366867
104180005061
11185555a741
12987a604b1
13517cc799b
142b920d661
15196e80041
hexf925d0c5

4180005061 has 4 divisors (see below), whose sum is σ = 4226971500. Its totient is φ = 4133038624.

The previous prime is 4180005059. The next prime is 4180005163. The reversal of 4180005061 is 1605000814.

4180005061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 324216036 + 3855789025 = 18006^2 + 62095^2 .

It is a cyclic number.

It is not a de Polignac number, because 4180005061 - 21 = 4180005059 is a prime.

It is a super-2 number, since 2×41800050612 = 34944884619971227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180005031) 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, 23483086 + ... + 23483263.

It is an arithmetic number, because the mean of its divisors is an integer number (1056742875).

Almost surely, 24180005061 is an apocalyptic number.

It is an amenable number.

4180005061 is a deficient number, since it is larger than the sum of its proper divisors (46966439).

4180005061 is an equidigital number, since it uses as much as digits as its factorization.

4180005061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46966438.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4180005061 is about 64652.9586407304. The cubic root of 4180005061 is about 1610.8642224351.

Adding to 4180005061 its reverse (1605000814), we get a palindrome (5785005875).

The spelling of 4180005061 in words is "four billion, one hundred eighty million, five thousand, sixty-one".

Divisors: 1 89 46966349 4180005061