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13303235045 = 52660647009
BaseRepresentation
bin11000110001110111…
…10100000111100101
31021100010101100202002
430120323310013211
5204221112010140
610040022255045
7650444426552
oct143073640745
937303340662
1013303235045
115707369431
1226b3287485
131340163119
14902b41a29
1552cd9e415
hex318ef41e5

13303235045 has 4 divisors (see below), whose sum is σ = 15963882060. Its totient is φ = 10642588032.

The previous prime is 13303235009. The next prime is 13303235051. The reversal of 13303235045 is 54053230331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54053230331 = 359231504697.

It can be written as a sum of positive squares in 2 ways, for example, as 6109141921 + 7194093124 = 78161^2 + 84818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13303235045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13303234999 and 13303235017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330323500 + ... + 1330323509.

It is an arithmetic number, because the mean of its divisors is an integer number (3990970515).

Almost surely, 213303235045 is an apocalyptic number.

It is an amenable number.

13303235045 is a deficient number, since it is larger than the sum of its proper divisors (2660647015).

13303235045 is an equidigital number, since it uses as much as digits as its factorization.

13303235045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660647014.

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 13303235045 its reverse (54053230331), we get a palindrome (67356465376).

The spelling of 13303235045 in words is "thirteen billion, three hundred three million, two hundred thirty-five thousand, forty-five".

Divisors: 1 5 2660647009 13303235045