Search a number
-
+
42165002113 = 138533802417
BaseRepresentation
bin100111010001001110…
…101101111110000001
311000211112220001001221
4213101032231332001
51142323220031423
631211554155041
73021613414213
oct472116557601
9130745801057
1042165002113
1116978054193
128208b82a81
133c8c77c0c0
14207dd385b3
15116badde5d
hex9d13adf81

42165002113 has 8 divisors (see below), whose sum is σ = 45461709608. Its totient is φ = 38875901184.

The previous prime is 42165002111. The next prime is 42165002177. The reversal of 42165002113 is 31120056124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4644149904 + 37520852209 = 68148^2 + 193703^2 .

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 42165002113 - 21 = 42165002111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42165002111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890120 + ... + 1912297.

It is an arithmetic number, because the mean of its divisors is an integer number (5682713701).

Almost surely, 242165002113 is an apocalyptic number.

It is an amenable number.

42165002113 is a deficient number, since it is larger than the sum of its proper divisors (3296707495).

42165002113 is a wasteful number, since it uses less digits than its factorization.

42165002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803283.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 42165002113 its reverse (31120056124), we get a palindrome (73285058237).

The spelling of 42165002113 in words is "forty-two billion, one hundred sixty-five million, two thousand, one hundred thirteen".

Divisors: 1 13 853 11089 3802417 49431421 3243461701 42165002113