Search a number
-
+
13300221321 = 328916604521
BaseRepresentation
bin11000110001100000…
…10100010110001001
31021022220201020200200
430120300110112021
5204214324040241
610035433522413
7650410005312
oct143060242611
937286636620
1013300221321
1157056a0152
1226b2273409
13133c64945a
14902599609
1552c9a64b6
hex318c14589

13300221321 has 12 divisors (see below), whose sum is σ = 19427290740. Its totient is φ = 8767186560.

The previous prime is 13300221299. The next prime is 13300221329. The reversal of 13300221321 is 12312200331.

It can be written as a sum of positive squares in 2 ways, for example, as 4281870096 + 9018351225 = 65436^2 + 94965^2 .

It is not a de Polignac number, because 13300221321 - 218 = 13299959177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13300221294 and 13300221303.

It is not an unprimeable number, because it can be changed into a prime (13300221329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8301460 + ... + 8303061.

It is an arithmetic number, because the mean of its divisors is an integer number (1618940895).

Almost surely, 213300221321 is an apocalyptic number.

It is an amenable number.

13300221321 is a deficient number, since it is larger than the sum of its proper divisors (6127069419).

13300221321 is a wasteful number, since it uses less digits than its factorization.

13300221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16604616 (or 16604613 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13300221321 its reverse (12312200331), we get a palindrome (25612421652).

The spelling of 13300221321 in words is "thirteen billion, three hundred million, two hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 3 9 89 267 801 16604521 49813563 149440689 1477802369 4433407107 13300221321