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11111000041 = 41271000001
BaseRepresentation
bin10100101100100010…
…00110011111101001
31001200100022021200001
422112101012133221
5140223404000131
65034311143001
7542224641061
oct122621063751
931610267601
1011111000041
114791962869
1221a1074a61
131080c1cc4b
147759263a1
154506b8261
hex2964467e9

11111000041 has 4 divisors (see below), whose sum is σ = 11382000084. Its totient is φ = 10840000000.

The previous prime is 11111000027. The next prime is 11111000051. The reversal of 11111000041 is 14000011111.

11111000041 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: 14000011111 = 41597336563.

It can be written as a sum of positive squares in 2 ways, for example, as 415303641 + 10695696400 = 20379^2 + 103420^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111000041 - 25 = 11111000009 is a prime.

It is a super-2 number, since 2×111110000412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110999991 and 11111000027.

It is not an unprimeable number, because it can be changed into a prime (11111000051) 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, 135499960 + ... + 135500041.

It is an arithmetic number, because the mean of its divisors is an integer number (2845500021).

Almost surely, 211111000041 is an apocalyptic number.

It is an amenable number.

11111000041 is a deficient number, since it is larger than the sum of its proper divisors (271000043).

11111000041 is an equidigital number, since it uses as much as digits as its factorization.

11111000041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271000042.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11111000041 its reverse (14000011111), we get a palindrome (25111011152).

The spelling of 11111000041 in words is "eleven billion, one hundred eleven million, forty-one", and thus it is an aban number.

Divisors: 1 41 271000001 11111000041