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11145115241 = 13857316557
BaseRepresentation
bin10100110000100110…
…01111011001101001
31001202201111111220222
422120103033121221
5140311122141431
65041530255425
7543120626231
oct123023173151
931681444828
1011145115241
1147aa144047
1221b0587575
131088006060
1477a286cc1
154536a657b
hex2984cf669

11145115241 has 4 divisors (see below), whose sum is σ = 12002431812. Its totient is φ = 10287798672.

The previous prime is 11145115211. The next prime is 11145115243. The reversal of 11145115241 is 14251154111.

11145115241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14251154111 = 17838303183.

It can be written as a sum of positive squares in 2 ways, for example, as 2743559641 + 8401555600 = 52379^2 + 91660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11145115241 is a prime.

It is a super-3 number, since 3×111451152413 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11145115241.

It is not an unprimeable number, because it can be changed into a prime (11145115243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428658266 + ... + 428658291.

It is an arithmetic number, because the mean of its divisors is an integer number (3000607953).

Almost surely, 211145115241 is an apocalyptic number.

It is an amenable number.

11145115241 is a deficient number, since it is larger than the sum of its proper divisors (857316571).

11145115241 is an equidigital number, since it uses as much as digits as its factorization.

11145115241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857316570.

The product of its digits is 800, while the sum is 26.

Adding to 11145115241 its reverse (14251154111), we get a palindrome (25396269352).

The spelling of 11145115241 in words is "eleven billion, one hundred forty-five million, one hundred fifteen thousand, two hundred forty-one".

Divisors: 1 13 857316557 11145115241