Search a number
-
+
11431442141 = 71796062539
BaseRepresentation
bin10101010010101110…
…11111011011011101
31002111200021102120222
422221113133123131
5141402422122031
65130155251125
7553165440440
oct125127373335
932450242528
1011431442141
114936829749
122270449aa5
131102427462
147a62db657
1546d8b3e7b
hex2a95df6dd

11431442141 has 8 divisors (see below), whose sum is σ = 13833005760. Its totient is φ = 9222003648.

The previous prime is 11431442123. The next prime is 11431442153. The reversal of 11431442141 is 14124413411.

It is a happy number.

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-11431442141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11431442141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431442441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48031151 + ... + 48031388.

It is an arithmetic number, because the mean of its divisors is an integer number (1729125720).

Almost surely, 211431442141 is an apocalyptic number.

It is an amenable number.

11431442141 is a deficient number, since it is larger than the sum of its proper divisors (2401563619).

11431442141 is an equidigital number, since it uses as much as digits as its factorization.

11431442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96062563.

The product of its digits is 1536, while the sum is 26.

Adding to 11431442141 its reverse (14124413411), we get a palindrome (25555855552).

The spelling of 11431442141 in words is "eleven billion, four hundred thirty-one million, four hundred forty-two thousand, one hundred forty-one".

Divisors: 1 7 17 119 96062539 672437773 1633063163 11431442141