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13235206747 = 710717670503
BaseRepresentation
bin11000101001110000…
…10011101001011011
31021011101101011110111
430110320103221123
5204101203103442
610025152225151
7645660254410
oct142470235133
937141334414
1013235206747
115681a247a4
12269453b1b7
13132c034ba9
148d7ab4107
15526e12b17
hex314e13a5b

13235206747 has 8 divisors (see below), whose sum is σ = 15267315456. Its totient is φ = 11238439272.

The previous prime is 13235206729. The next prime is 13235206753. The reversal of 13235206747 is 74760253231.

13235206747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13235206747 - 231 = 11087723099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13235206147) 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 7 ways as a sum of consecutive naturals, for example, 8834503 + ... + 8836000.

It is an arithmetic number, because the mean of its divisors is an integer number (1908414432).

Almost surely, 213235206747 is an apocalyptic number.

13235206747 is a deficient number, since it is larger than the sum of its proper divisors (2032108709).

13235206747 is a wasteful number, since it uses less digits than its factorization.

13235206747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17670617.

The product of its (nonzero) digits is 211680, while the sum is 40.

Adding to 13235206747 its reverse (74760253231), we get a palindrome (87995459978).

The spelling of 13235206747 in words is "thirteen billion, two hundred thirty-five million, two hundred six thousand, seven hundred forty-seven".

Divisors: 1 7 107 749 17670503 123693521 1890743821 13235206747