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12033120043 = 74326115241
BaseRepresentation
bin10110011010011101…
…01101011100101011
31011001121102211111201
423031032231130223
5144120434320133
65310011305031
7604122555430
oct131516553453
934047384451
1012033120043
11511542320a
1223b9a4b177
131199c8c999
1482219db87
154a6613d7d
hex2cd3ad72b

12033120043 has 24 divisors (see below), whose sum is σ = 14311140576. Its totient is φ = 9908438400.

The previous prime is 12033120007. The next prime is 12033120067. The reversal of 12033120043 is 34002133021.

It is not a de Polignac number, because 12033120043 - 229 = 11496249131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12033120043.

It is not an unprimeable number, because it can be changed into a prime (12033121043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781903 + ... + 797143.

It is an arithmetic number, because the mean of its divisors is an integer number (596297524).

Almost surely, 212033120043 is an apocalyptic number.

12033120043 is a deficient number, since it is larger than the sum of its proper divisors (2278020533).

12033120043 is an equidigital number, since it uses as much as digits as its factorization.

12033120043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395 (or 15352 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12033120043 its reverse (34002133021), we get a palindrome (46035253064).

The spelling of 12033120043 in words is "twelve billion, thirty-three million, one hundred twenty thousand, forty-three".

Divisors: 1 7 43 61 301 427 1849 2623 12943 15241 18361 106687 112789 655363 789523 929701 4587541 6507907 28180609 39977143 197264263 279840001 1719017149 12033120043