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13320130997 = 49332700209
BaseRepresentation
bin11000110011111000…
…10001000110110101
31021101022011202122002
430121330101012311
5204234423142442
610041424345045
7651041150105
oct143174210665
937338152562
1013320130997
115715959628
1226b8a75185
1313437ca724
1490509d205
1552e5da732
hex319f111b5

13320130997 has 4 divisors (see below), whose sum is σ = 13322836140. Its totient is φ = 13317425856.

The previous prime is 13320130979. The next prime is 13320131063. The reversal of 13320130997 is 79903102331.

13320130997 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9659154961 + 3660976036 = 98281^2 + 60506^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320130997 - 28 = 13320130741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13320130997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320139997) 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, 1345172 + ... + 1355037.

It is an arithmetic number, because the mean of its divisors is an integer number (3330709035).

Almost surely, 213320130997 is an apocalyptic number.

It is an amenable number.

13320130997 is a deficient number, since it is larger than the sum of its proper divisors (2705143).

13320130997 is an equidigital number, since it uses as much as digits as its factorization.

13320130997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705142.

The product of its (nonzero) digits is 30618, while the sum is 38.

The spelling of 13320130997 in words is "thirteen billion, three hundred twenty million, one hundred thirty thousand, nine hundred ninety-seven".

Divisors: 1 4933 2700209 13320130997