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11531353153 = 53217572701
BaseRepresentation
bin10101011110101001…
…00111110001000001
31002202122021102201211
422233110213301001
5142104011300103
65144124530121
7555520612255
oct125724476101
932678242654
1011531353153
11498816a331
1222999b0941
13111a0395b8
147b56a8265
1547754c36d
hex2af527c41

11531353153 has 4 divisors (see below), whose sum is σ = 11748925908. Its totient is φ = 11313780400.

The previous prime is 11531353139. The next prime is 11531353187. The reversal of 11531353153 is 35135313511.

11531353153 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 an emirpimes, since its reverse is a distinct semiprime: 35135313511 = 191183954521.

It can be written as a sum of positive squares in 2 ways, for example, as 10618890304 + 912462849 = 103048^2 + 30207^2 .

It is a cyclic number.

It is not a de Polignac number, because 11531353153 - 25 = 11531353121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11531353103) 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, 108786298 + ... + 108786403.

It is an arithmetic number, because the mean of its divisors is an integer number (2937231477).

Almost surely, 211531353153 is an apocalyptic number.

It is an amenable number.

11531353153 is a deficient number, since it is larger than the sum of its proper divisors (217572755).

11531353153 is an equidigital number, since it uses as much as digits as its factorization.

11531353153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217572754.

The product of its digits is 10125, while the sum is 31.

Adding to 11531353153 its reverse (35135313511), we get a palindrome (46666666664).

The spelling of 11531353153 in words is "eleven billion, five hundred thirty-one million, three hundred fifty-three thousand, one hundred fifty-three".

Divisors: 1 53 217572701 11531353153