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112720642227 = 343449403483
BaseRepresentation
bin110100011111010101…
…1001000000010110011
3101202221200202220220000
41220332223020002303
53321322441022402
6123441054321043
711100215435664
oct1507653100263
9352850686800
10112720642227
1143893955966
1219a19ab9183
13a82506018b
14565466b36b
152deada8c1c
hex1a3eac80b3

112720642227 has 20 divisors (see below), whose sum is σ = 168434395800. Its totient is φ = 75125120544.

The previous prime is 112720642217. The next prime is 112720642231. The reversal of 112720642227 is 722246027211.

112720642227 is a `hidden beast` number, since 1 + 1 + 2 + 7 + 2 + 0 + 642 + 2 + 2 + 7 = 666.

It is not a de Polignac number, because 112720642227 - 24 = 112720642211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112720642191 and 112720642200.

It is not an unprimeable number, because it can be changed into a prime (112720642207) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77628 + ... + 481110.

It is an arithmetic number, because the mean of its divisors is an integer number (8421719790).

Almost surely, 2112720642227 is an apocalyptic number.

112720642227 is a deficient number, since it is larger than the sum of its proper divisors (55713753573).

112720642227 is an equidigital number, since it uses as much as digits as its factorization.

112720642227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406944 (or 406935 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 112720642227 its reverse (722246027211), we get a palindrome (834966669438).

The spelling of 112720642227 in words is "one hundred twelve billion, seven hundred twenty million, six hundred forty-two thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 81 3449 10347 31041 93123 279369 403483 1210449 3631347 10894041 32682123 1391612867 4174838601 12524515803 37573547409 112720642227