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12044132849 = 71720590407
BaseRepresentation
bin10110011011110001…
…01110000111110001
31011002101011100020102
423031320232013301
5144131244222344
65311043322145
7604315303640
oct131570560761
934071140212
1012044132849
115120665301
122401680355
13119c347538
14823829357
154a758be4e
hex2cde2e1f1

12044132849 has 4 divisors (see below), whose sum is σ = 13764723264. Its totient is φ = 10323542436.

The previous prime is 12044132797. The next prime is 12044132879. The reversal of 12044132849 is 94823144021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12044132849 - 216 = 12044067313 is a prime.

It is a super-2 number, since 2×120441328492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12044132879) 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 3 ways as a sum of consecutive naturals, for example, 860295197 + ... + 860295210.

It is an arithmetic number, because the mean of its divisors is an integer number (3441180816).

Almost surely, 212044132849 is an apocalyptic number.

It is an amenable number.

12044132849 is a deficient number, since it is larger than the sum of its proper divisors (1720590415).

12044132849 is an equidigital number, since it uses as much as digits as its factorization.

12044132849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720590414.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 12044132849 in words is "twelve billion, forty-four million, one hundred thirty-two thousand, eight hundred forty-nine".

Divisors: 1 7 1720590407 12044132849