Search a number
-
+
42253031113 = 172912443643
BaseRepresentation
bin100111010110011110…
…100001011011001001
311001001200112101011021
4213112132201123021
51143013233443423
631224421032441
73024032560426
oct472636413311
9131050471137
1042253031113
1116a12809727
128232555721
133ca4a90b77
14208b8d0d4d
1511746cb95d
hex9d67a16c9

42253031113 has 4 divisors (see below), whose sum is σ = 42255492048. Its totient is φ = 42250570180.

The previous prime is 42253031063. The next prime is 42253031131. The reversal of 42253031113 is 31113035224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42253031113 is a prime.

It is a super-2 number, since 2×422530311132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42253001113) 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 3 ways as a sum of consecutive naturals, for example, 1204531 + ... + 1239112.

It is an arithmetic number, because the mean of its divisors is an integer number (10563873012).

Almost surely, 242253031113 is an apocalyptic number.

It is an amenable number.

42253031113 is a deficient number, since it is larger than the sum of its proper divisors (2460935).

42253031113 is a wasteful number, since it uses less digits than its factorization.

42253031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460934.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 42253031113 its reverse (31113035224), we get a palindrome (73366066337).

The spelling of 42253031113 in words is "forty-two billion, two hundred fifty-three million, thirty-one thousand, one hundred thirteen".

Divisors: 1 17291 2443643 42253031113