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11789516249 = 72373226809
BaseRepresentation
bin10101111101011010…
…11011110111011001
31010102122001110220222
422332231123313121
5143121104004444
65225510125425
7565104143330
oct127655336731
933378043828
1011789516249
114aaa969065
122350350875
13115b679724
147dbaaad17
15490044eee
hex2beb5bdd9

11789516249 has 8 divisors (see below), whose sum is σ = 14059547520. Its totient is φ = 9665938656.

The previous prime is 11789516227. The next prime is 11789516261. The reversal of 11789516249 is 94261598711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11789516249 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 11789516249.

It is not an unprimeable number, because it can be changed into a prime (11789512249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36613244 + ... + 36613565.

It is an arithmetic number, because the mean of its divisors is an integer number (1757443440).

Almost surely, 211789516249 is an apocalyptic number.

It is an amenable number.

11789516249 is a deficient number, since it is larger than the sum of its proper divisors (2270031271).

11789516249 is an equidigital number, since it uses as much as digits as its factorization.

11789516249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73226839.

The product of its digits is 1088640, while the sum is 53.

The spelling of 11789516249 in words is "eleven billion, seven hundred eighty-nine million, five hundred sixteen thousand, two hundred forty-nine".

Divisors: 1 7 23 161 73226809 512587663 1684216607 11789516249