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112072949181 = 3233133758693
BaseRepresentation
bin110100001100000010…
…0010111110110111101
3101201021120000201001200
41220120010113312331
53314011133333211
6123252520130113
711045162231034
oct1503004276675
9351246021050
10112072949181
1143591292556
1219879006939
13a750b0625b
1455d262b71b
152dae0b9b56
hex1a18117dbd

112072949181 has 12 divisors (see below), whose sum is σ = 161932054908. Its totient is φ = 74692727424.

The previous prime is 112072949179. The next prime is 112072949201. The reversal of 112072949181 is 181949270211.

112072949181 is a `hidden beast` number, since 1 + 12 + 0 + 72 + 9 + 491 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108411489081 + 3661460100 = 329259^2 + 60510^2 .

It is not a de Polignac number, because 112072949181 - 21 = 112072949179 is a prime.

It is a super-2 number, since 2×1120729491812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112072949881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1849530 + ... + 1909163.

It is an arithmetic number, because the mean of its divisors is an integer number (13494337909).

Almost surely, 2112072949181 is an apocalyptic number.

It is an amenable number.

112072949181 is a deficient number, since it is larger than the sum of its proper divisors (49859105727).

112072949181 is a wasteful number, since it uses less digits than its factorization.

112072949181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762012 (or 3762009 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 112072949181 in words is "one hundred twelve billion, seventy-two million, nine hundred forty-nine thousand, one hundred eighty-one".

Divisors: 1 3 9 3313 9939 29817 3758693 11276079 33828237 12452549909 37357649727 112072949181