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11124040441 = 39728020253
BaseRepresentation
bin10100101110000101…
…10110001011111001
31001201020211210201211
422113002312023321
5140240223243231
65035454443121
7542443532533
oct122702661371
931636753654
1011124040441
11479925a258
1221a55034a1
131083837667
1477755c853
154518e1eb1
hex2970b62f9

11124040441 has 4 divisors (see below), whose sum is σ = 11152061092. Its totient is φ = 11096019792.

The previous prime is 11124040397. The next prime is 11124040483. The reversal of 11124040441 is 14404042111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14404042111 = 17980469509.

It can be written as a sum of positive squares in 2 ways, for example, as 4547479225 + 6576561216 = 67435^2 + 81096^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124040441 - 217 = 11123909369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124040141) 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, 14009730 + ... + 14010523.

It is an arithmetic number, because the mean of its divisors is an integer number (2788015273).

Almost surely, 211124040441 is an apocalyptic number.

It is an amenable number.

11124040441 is a deficient number, since it is larger than the sum of its proper divisors (28020651).

11124040441 is an equidigital number, since it uses as much as digits as its factorization.

11124040441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28020650.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11124040441 its reverse (14404042111), we get a palindrome (25528082552).

The spelling of 11124040441 in words is "eleven billion, one hundred twenty-four million, forty thousand, four hundred forty-one".

Divisors: 1 397 28020253 11124040441