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13232076665 = 52646415333
BaseRepresentation
bin11000101001011000…
…10111011101111001
31021011011111010210112
430110230113131321
5204044402423130
610025001154105
7645621536663
oct142454273571
937134433715
1013232076665
115680187055
12269348b935
13132b4aa282
148d74db533
155269e5495
hex314b17779

13232076665 has 4 divisors (see below), whose sum is σ = 15878492004. Its totient is φ = 10585661328.

The previous prime is 13232076647. The next prime is 13232076677. The reversal of 13232076665 is 56667023231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9492020329 + 3740056336 = 97427^2 + 61156^2 .

It is a cyclic number.

It is not a de Polignac number, because 13232076665 - 28 = 13232076409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1323207662 + ... + 1323207671.

It is an arithmetic number, because the mean of its divisors is an integer number (3969623001).

Almost surely, 213232076665 is an apocalyptic number.

It is an amenable number.

13232076665 is a deficient number, since it is larger than the sum of its proper divisors (2646415339).

13232076665 is an equidigital number, since it uses as much as digits as its factorization.

13232076665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646415338.

The product of its (nonzero) digits is 272160, while the sum is 41.

Adding to 13232076665 its reverse (56667023231), we get a palindrome (69899099896).

The spelling of 13232076665 in words is "thirteen billion, two hundred thirty-two million, seventy-six thousand, six hundred sixty-five".

Divisors: 1 5 2646415333 13232076665