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13320113221 = 29974347143
BaseRepresentation
bin11000110011111000…
…01100110001000101
31021101022010212020201
430121330030301011
5204234422110341
610041424130501
7651041044222
oct143174146105
937338125221
1013320113221
115715947238
1226b8a66a31
1313437c25cc
14905096949
1552e5d5331
hex319f0cc45

13320113221 has 8 divisors (see below), whose sum is σ = 13781134080. Its totient is φ = 12859206192.

The previous prime is 13320113197. The next prime is 13320113227. The reversal of 13320113221 is 12231102331.

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 13320113221 - 25 = 13320113189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320113227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258976 + ... + 306118.

It is an arithmetic number, because the mean of its divisors is an integer number (1722641760).

Almost surely, 213320113221 is an apocalyptic number.

It is an amenable number.

13320113221 is a deficient number, since it is larger than the sum of its proper divisors (461020859).

13320113221 is an equidigital number, since it uses as much as digits as its factorization.

13320113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56915.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13320113221 its reverse (12231102331), we get a palindrome (25551215552).

The spelling of 13320113221 in words is "thirteen billion, three hundred twenty million, one hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 29 9743 47143 282547 1367147 459314249 13320113221