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11423033189 = 22949882241
BaseRepresentation
bin10101010001101110…
…11010011101100101
31002111002110012200022
422220313122131211
5141343244030224
65125255124525
7553034115521
oct125067323545
932432405608
1011423033189
1149320059a7
122269673745
131100771b49
147a514cd81
1546cca265e
hex2a8dda765

11423033189 has 4 divisors (see below), whose sum is σ = 11472915660. Its totient is φ = 11373150720.

The previous prime is 11423033183. The next prime is 11423033197. The reversal of 11423033189 is 98133032411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98133032411 = 340332883467.

It can be written as a sum of positive squares in 2 ways, for example, as 4693620100 + 6729413089 = 68510^2 + 82033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11423033189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423033183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24940892 + ... + 24941349.

It is an arithmetic number, because the mean of its divisors is an integer number (2868228915).

Almost surely, 211423033189 is an apocalyptic number.

It is an amenable number.

11423033189 is a deficient number, since it is larger than the sum of its proper divisors (49882471).

11423033189 is an equidigital number, since it uses as much as digits as its factorization.

11423033189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49882470.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 11423033189 in words is "eleven billion, four hundred twenty-three million, thirty-three thousand, one hundred eighty-nine".

Divisors: 1 229 49882241 11423033189