Search a number
-
+
6605605061 = 11718457881
BaseRepresentation
bin1100010011011100…
…11000100011000101
3122001100121111122022
412021232120203011
5102012013330221
63011245012525
7322456500536
oct61156304305
918040544568
106605605061
11288a767940
121344254145
138136a7963
1446941468d
15289db14ab
hex189b988c5

6605605061 has 8 divisors (see below), whose sum is σ = 7307610048. Its totient is φ = 5920516000.

The previous prime is 6605605057. The next prime is 6605605063. The reversal of 6605605061 is 1605065066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6605605061 - 22 = 6605605057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605605063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228160 + ... + 4229721.

It is an arithmetic number, because the mean of its divisors is an integer number (913451256).

Almost surely, 26605605061 is an apocalyptic number.

It is an amenable number.

6605605061 is a deficient number, since it is larger than the sum of its proper divisors (702004987).

6605605061 is a wasteful number, since it uses less digits than its factorization.

6605605061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457963.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6605605061 is about 81274.8734911350. The cubic root of 6605605061 is about 1876.3083074963.

The spelling of 6605605061 in words is "six billion, six hundred five million, six hundred five thousand, sixty-one".

Divisors: 1 11 71 781 8457881 93036691 600509551 6605605061