Search a number
-
+
2042798999 = 17743161729
BaseRepresentation
bin111100111000010…
…1010001110010111
312021100212221102012
41321300222032113
513140424031444
6534412134435
7101423335133
oct17160521627
95240787365
102042798999
1195911a13a
1249016741b
132672b0c07
1415543a3c3
15be518b9e
hex79c2a397

2042798999 has 8 divisors (see below), whose sum is σ = 2165888160. Its totient is φ = 1920034816.

The previous prime is 2042798987. The next prime is 2042799019. The reversal of 2042798999 is 9998972402.

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-2042798999 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 (2042798939) 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, 68234 + ... + 93495.

It is an arithmetic number, because the mean of its divisors is an integer number (270736020).

Almost surely, 22042798999 is an apocalyptic number.

2042798999 is a deficient number, since it is larger than the sum of its proper divisors (123089161).

2042798999 is a wasteful number, since it uses less digits than its factorization.

2042798999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162489.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 2042798999 is about 45197.3339811100. Note that the first 3 decimals coincide. The cubic root of 2042798999 is about 1268.8449205793.

The spelling of 2042798999 in words is "two billion, forty-two million, seven hundred ninety-eight thousand, nine hundred ninety-nine".

Divisors: 1 17 743 12631 161729 2749393 120164647 2042798999