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11123231333 = 13980023247
BaseRepresentation
bin10100101101111111…
…10000101001100101
31001201012022200211212
422112333300221211
5140240021400313
65035425241205
7542433622604
oct122677605145
931635280755
1011123231333
114798857375
1221a5193205
1310836132b6
147773cba3b
154517d23a8
hex296ff0a65

11123231333 has 4 divisors (see below), whose sum is σ = 11203254720. Its totient is φ = 11043207948.

The previous prime is 11123231323. The next prime is 11123231419. The reversal of 11123231333 is 33313232111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33313232111 = 149223578739.

It is a cyclic number.

It is not a de Polignac number, because 11123231333 - 222 = 11119037029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123231299 and 11123231308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123231323) 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, 40011485 + ... + 40011762.

It is an arithmetic number, because the mean of its divisors is an integer number (2800813680).

Almost surely, 211123231333 is an apocalyptic number.

It is an amenable number.

11123231333 is a deficient number, since it is larger than the sum of its proper divisors (80023387).

11123231333 is an equidigital number, since it uses as much as digits as its factorization.

11123231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80023386.

The product of its digits is 972, while the sum is 23.

Adding to 11123231333 its reverse (33313232111), we get a palindrome (44436463444).

The spelling of 11123231333 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 139 80023247 11123231333