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112221452205 = 3252493810049
BaseRepresentation
bin110100010000011101…
…0110111011110101101
3101201122220110102220200
41220200322313132231
53314312142432310
6123315343104113
711051644414332
oct1504072673655
9351586412820
10112221452205
11436580a2025
12198ba8a2039
13a7757cc975
145608246989
152dbc1509c0
hex1a20eb77ad

112221452205 has 12 divisors (see below), whose sum is σ = 194517183900. Its totient is φ = 59851441152.

The previous prime is 112221452171. The next prime is 112221452207. The reversal of 112221452205 is 502254122211.

112221452205 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 2 + 1 + 452 + 205 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87314931081 + 24906521124 = 295491^2 + 157818^2 .

It is not a de Polignac number, because 112221452205 - 211 = 112221450157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221452207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246904980 + ... + 1246905069.

It is an arithmetic number, because the mean of its divisors is an integer number (16209765325).

Almost surely, 2112221452205 is an apocalyptic number.

112221452205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112221452205 is a deficient number, since it is larger than the sum of its proper divisors (82295731695).

112221452205 is a wasteful number, since it uses less digits than its factorization.

112221452205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493810060 (or 2493810057 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 112221452205 its reverse (502254122211), we get a palindrome (614475574416).

The spelling of 112221452205 in words is "one hundred twelve billion, two hundred twenty-one million, four hundred fifty-two thousand, two hundred five".

Divisors: 1 3 5 9 15 45 2493810049 7481430147 12469050245 22444290441 37407150735 112221452205