Search a number
-
+
1718068117 = 4789358753
BaseRepresentation
bin110011001100111…
…1010001110010101
311102201211220101111
41212121322032111
512004311134432
6442252055021
760401223643
oct14631721625
94381756344
101718068117
11801894007
123bb464471
13214c3456c
1412426a193
15a0c72347
hex6667a395

1718068117 has 4 divisors (see below), whose sum is σ = 1718431660. Its totient is φ = 1717704576.

The previous prime is 1718068061. The next prime is 1718068129. The reversal of 1718068117 is 7118608171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7118608171 = 18113930761.

It can be written as a sum of positive squares in 2 ways, for example, as 69789316 + 1648278801 = 8354^2 + 40599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1718068117 - 215 = 1718035349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1718068117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1718068817) 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 3 ways as a sum of consecutive naturals, for example, 174588 + ... + 184165.

It is an arithmetic number, because the mean of its divisors is an integer number (429607915).

Almost surely, 21718068117 is an apocalyptic number.

It is an amenable number.

1718068117 is a deficient number, since it is larger than the sum of its proper divisors (363543).

1718068117 is an equidigital number, since it uses as much as digits as its factorization.

1718068117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363542.

The product of its (nonzero) digits is 18816, while the sum is 40.

The square root of 1718068117 is about 41449.5852452108. The cubic root of 1718068117 is about 1197.6965342096.

The spelling of 1718068117 in words is "one billion, seven hundred eighteen million, sixty-eight thousand, one hundred seventeen".

Divisors: 1 4789 358753 1718068117