Search a number
-
+
113030143 = 569198647
BaseRepresentation
bin1101011110010…
…11001111111111
321212200112012121
412233023033333
5212413431033
615114343411
72541511642
oct657131777
9255615177
10113030143
1158891246
1231a2ab67
131a556655
1411023a59
159dca62d
hex6bcb3ff

113030143 has 4 divisors (see below), whose sum is σ = 113229360. Its totient is φ = 112830928.

The previous prime is 113030131. The next prime is 113030149. The reversal of 113030143 is 341030311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341030311 = 2811213631.

It is a cyclic number.

It is not a de Polignac number, because 113030143 - 25 = 113030111 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 (113030149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98755 + ... + 99892.

It is an arithmetic number, because the mean of its divisors is an integer number (28307340).

Almost surely, 2113030143 is an apocalyptic number.

113030143 is a deficient number, since it is larger than the sum of its proper divisors (199217).

113030143 is an equidigital number, since it uses as much as digits as its factorization.

113030143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199216.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113030143 is about 10631.5635256532. The cubic root of 113030143 is about 483.5017967920.

Adding to 113030143 its reverse (341030311), we get a palindrome (454060454).

The spelling of 113030143 in words is "one hundred thirteen million, thirty thousand, one hundred forty-three".

Divisors: 1 569 198647 113030143