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11488751161 = 17747647363
BaseRepresentation
bin10101011001100100…
…00110111000111001
31002122200010000210021
422230302012320321
5142012110014121
65140003450441
7554462526226
oct125462067071
932580100707
1011488751161
114966111878
122287686a21
131111271614
147adb7894d
15473934641
hex2acc86e39

11488751161 has 4 divisors (see below), whose sum is σ = 11489416272. Its totient is φ = 11488086052.

The previous prime is 11488751149. The next prime is 11488751173. The reversal of 11488751161 is 16115788411.

11488751161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (11488751149) and next prime (11488751173).

It is a cyclic number.

It is not a de Polignac number, because 11488751161 - 25 = 11488751129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11488751191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305935 + ... + 341428.

It is an arithmetic number, because the mean of its divisors is an integer number (2872354068).

Almost surely, 211488751161 is an apocalyptic number.

It is an amenable number.

11488751161 is a deficient number, since it is larger than the sum of its proper divisors (665111).

11488751161 is an equidigital number, since it uses as much as digits as its factorization.

11488751161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665110.

The product of its digits is 53760, while the sum is 43.

The spelling of 11488751161 in words is "eleven billion, four hundred eighty-eight million, seven hundred fifty-one thousand, one hundred sixty-one".

Divisors: 1 17747 647363 11488751161