Search a number
-
+
2109408067 = 13223727633
BaseRepresentation
bin111110110111011…
…0000001101000011
312110000020000212201
41331232300031003
513310002024232
6545151534031
7103162446514
oct17556601503
95400200781
102109408067
11992784558
124aa52a317
13278033170
14160218a0b
15c52c4be7
hex7dbb0343

2109408067 has 8 divisors (see below), whose sum is σ = 2281860224. Its totient is φ = 1938411648.

The previous prime is 2109408053. The next prime is 2109408097. The reversal of 2109408067 is 7608049012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2109408067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109408017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360918 + ... + 366715.

It is an arithmetic number, because the mean of its divisors is an integer number (285232528).

Almost surely, 22109408067 is an apocalyptic number.

2109408067 is a deficient number, since it is larger than the sum of its proper divisors (172452157).

2109408067 is a wasteful number, since it uses less digits than its factorization.

2109408067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727869.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2109408067 is about 45928.2926636730. The cubic root of 2109408067 is about 1282.4886614569.

The spelling of 2109408067 in words is "two billion, one hundred nine million, four hundred eight thousand, sixty-seven".

Divisors: 1 13 223 2899 727633 9459229 162262159 2109408067