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15205341133 = 113134560541
BaseRepresentation
bin11100010100100111…
…10001011111001101
31110020200112100202201
432022103301133031
5222120031404013
610552451121501
71045542160423
oct161223613715
943220470681
1015205341133
1164a3022934
122b442a3291
131584253498
14a435d7113
155ded763dd
hex38a4f17cd

15205341133 has 4 divisors (see below), whose sum is σ = 15339901788. Its totient is φ = 15070780480.

The previous prime is 15205341091. The next prime is 15205341163. The reversal of 15205341133 is 33114350251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33114350251 = 263125910077.

It can be written as a sum of positive squares in 2 ways, for example, as 3207863044 + 11997478089 = 56638^2 + 109533^2 .

It is a cyclic number.

It is not a de Polignac number, because 15205341133 - 217 = 15205210061 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 (15205341163) 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, 67280158 + ... + 67280383.

It is an arithmetic number, because the mean of its divisors is an integer number (3834975447).

Almost surely, 215205341133 is an apocalyptic number.

It is an amenable number.

15205341133 is a deficient number, since it is larger than the sum of its proper divisors (134560655).

15205341133 is a wasteful number, since it uses less digits than its factorization.

15205341133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134560654.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 15205341133 its reverse (33114350251), we get a palindrome (48319691384).

The spelling of 15205341133 in words is "fifteen billion, two hundred five million, three hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 113 134560541 15205341133