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13221310213 = 91915679181
BaseRepresentation
bin11000101000000110…
…10010111100000101
31021010102020011000001
430110003102330011
5204034123411323
610023534321301
7645431165626
oct142403227405
937112204001
1013221310213
1156750a3061
12268b959231
1313291aa8a7
148d5cd7a4d
15525aba3ad
hex3140d2f05

13221310213 has 8 divisors (see below), whose sum is σ = 13245585920. Its totient is φ = 13197057840.

The previous prime is 13221310211. The next prime is 13221310241. The reversal of 13221310213 is 31201312231.

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 13221310213 - 21 = 13221310211 is a prime.

It is a super-3 number, since 3×132213102133 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221310211) 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, 1435483 + ... + 1444663.

It is an arithmetic number, because the mean of its divisors is an integer number (1655698240).

Almost surely, 213221310213 is an apocalyptic number.

It is an amenable number.

13221310213 is a deficient number, since it is larger than the sum of its proper divisors (24275707).

13221310213 is an equidigital number, since it uses as much as digits as its factorization.

13221310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11667.

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

Adding to 13221310213 its reverse (31201312231), we get a palindrome (44422622444).

The spelling of 13221310213 in words is "thirteen billion, two hundred twenty-one million, three hundred ten thousand, two hundred thirteen".

Divisors: 1 919 1567 9181 1440073 8437339 14386627 13221310213