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11124342231 = 315723618561
BaseRepresentation
bin10100101110000111…
…11111110111010111
31001201021102010201020
422113003333313113
5140240312422411
65035505132223
7542446230432
oct122703776727
931637363636
1011124342231
114799445a72
1221a562a073
131083911b32
147775da819
15451951606
hex2970ffdd7

11124342231 has 8 divisors (see below), whose sum is σ = 14926931184. Its totient is φ = 7368990720.

The previous prime is 11124342227. The next prime is 11124342259. The reversal of 11124342231 is 13224342111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11124342231 - 22 = 11124342227 is a prime.

It is a super-2 number, since 2×111243422312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124342431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11808810 + ... + 11809751.

It is an arithmetic number, because the mean of its divisors is an integer number (1865866398).

Almost surely, 211124342231 is an apocalyptic number.

11124342231 is a deficient number, since it is larger than the sum of its proper divisors (3802588953).

11124342231 is a wasteful number, since it uses less digits than its factorization.

11124342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618721.

The product of its digits is 1152, while the sum is 24.

Adding to 11124342231 its reverse (13224342111), we get a palindrome (24348684342).

The spelling of 11124342231 in words is "eleven billion, one hundred twenty-four million, three hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 3 157 471 23618561 70855683 3708114077 11124342231