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1112231320 = 23527805783
BaseRepresentation
bin100001001001011…
…0100110110011000
32212111212012112121
41002102310312120
54234212400240
6302210551024
736363544624
oct10222646630
92774765477
101112231320
11520909942
12270598474
13149574055
14a7a04184
15679a004a
hex424b4d98

1112231320 has 16 divisors (see below), whose sum is σ = 2502520560. Its totient is φ = 444892512.

The previous prime is 1112231311. The next prime is 1112231327. The reversal of 1112231320 is 231322111.

It is a junction number, because it is equal to n+sod(n) for n = 1112231294 and 1112231303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112231327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13902852 + ... + 13902931.

It is an arithmetic number, because the mean of its divisors is an integer number (156407535).

Almost surely, 21112231320 is an apocalyptic number.

1112231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112231320 is an abundant number, since it is smaller than the sum of its proper divisors (1390289240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112231320 is a wasteful number, since it uses less digits than its factorization.

1112231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805794 (or 27805790 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1112231320 is about 33350.1322336209. The cubic root of 1112231320 is about 1036.0921266891.

Adding to 1112231320 its reverse (231322111), we get a palindrome (1343553431).

The spelling of 1112231320 in words is "one billion, one hundred twelve million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 27805783 55611566 111223132 139028915 222446264 278057830 556115660 1112231320