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11124662231 = 72421153611
BaseRepresentation
bin10100101110001010…
…01101111111010111
31001201022000101200002
422113011031333113
5140240403142411
65035520041515
7542452032404
oct122705157727
931638011602
1011124662231
114799644431
1221a576329b
1310839c4697
147776812ab
154519b633b
hex29714dfd7

11124662231 has 4 divisors (see below), whose sum is σ = 11124888264. Its totient is φ = 11124436200.

The previous prime is 11124662221. The next prime is 11124662243. The reversal of 11124662231 is 13226642111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11124662231 is a prime.

It is a super-2 number, since 2×111246622312 (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 = 11124662194 and 11124662203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124662221) 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, 4385 + ... + 149226.

It is an arithmetic number, because the mean of its divisors is an integer number (2781222066).

Almost surely, 211124662231 is an apocalyptic number.

11124662231 is a deficient number, since it is larger than the sum of its proper divisors (226033).

11124662231 is an equidigital number, since it uses as much as digits as its factorization.

11124662231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226032.

The product of its digits is 3456, while the sum is 29.

The spelling of 11124662231 in words is "eleven billion, one hundred twenty-four million, six hundred sixty-two thousand, two hundred thirty-one".

Divisors: 1 72421 153611 11124662231