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11148842917 = 13980207503
BaseRepresentation
bin10100110001000010…
…11101011110100101
31001202222111220100001
422120201131132211
5140313100433132
65042142221301
7543164413132
oct123041353645
931688456301
1011148842917
11480125a773
1221b1884831
131088a0c994
1477a977589
15453b90ce7
hex29885d7a5

11148842917 has 4 divisors (see below), whose sum is σ = 11229050560. Its totient is φ = 11068635276.

The previous prime is 11148842909. The next prime is 11148842921. The reversal of 11148842917 is 71924884111.

11148842917 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, and also an emirpimes, since its reverse is a distinct semiprime: 71924884111 = 671073505733.

It is a cyclic number.

It is not a de Polignac number, because 11148842917 - 23 = 11148842909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148842927) 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, 40103613 + ... + 40103890.

It is an arithmetic number, because the mean of its divisors is an integer number (2807262640).

Almost surely, 211148842917 is an apocalyptic number.

It is an amenable number.

11148842917 is a deficient number, since it is larger than the sum of its proper divisors (80207643).

11148842917 is an equidigital number, since it uses as much as digits as its factorization.

11148842917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80207642.

The product of its digits is 129024, while the sum is 46.

The spelling of 11148842917 in words is "eleven billion, one hundred forty-eight million, eight hundred forty-two thousand, nine hundred seventeen".

Divisors: 1 139 80207503 11148842917