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11320243241 = 47713237257
BaseRepresentation
bin10101000101011110…
…10011010000101001
31002012221000221101012
422202233103100221
5141140440240431
65111144033305
7550345323416
oct124257232051
932187027335
1011320243241
114889a8932a
12223b162835
1310b53924a8
1479563310d
15463c4b22b
hex2a2bd3429

11320243241 has 4 divisors (see below), whose sum is σ = 11320528212. Its totient is φ = 11319958272.

The previous prime is 11320243229. The next prime is 11320243243. The reversal of 11320243241 is 14234202311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14234202311 = 72033457473.

It can be written as a sum of positive squares in 2 ways, for example, as 3166875625 + 8153367616 = 56275^2 + 90296^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320243241 - 214 = 11320226857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320243243) 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, 70916 + ... + 166341.

It is an arithmetic number, because the mean of its divisors is an integer number (2830132053).

Almost surely, 211320243241 is an apocalyptic number.

It is an amenable number.

11320243241 is a deficient number, since it is larger than the sum of its proper divisors (284971).

11320243241 is an equidigital number, since it uses as much as digits as its factorization.

11320243241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284970.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11320243241 its reverse (14234202311), we get a palindrome (25554445552).

The spelling of 11320243241 in words is "eleven billion, three hundred twenty million, two hundred forty-three thousand, two hundred forty-one".

Divisors: 1 47713 237257 11320243241