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13320233210221 = 717251071445829
BaseRepresentation
bin1100000111010101101111…
…0001001101000101101101
31202011101211221210010112221
43001311123301031011231
53221214314200211341
644155121453355341
72543232540104110
oct301653361150555
952141757703487
1013320233210221
114276096431333
1215b1673198b51
137581285a6162
143409ba3d8577
151817532caed1
hexc1d5bc4d16d

13320233210221 has 16 divisors (see below), whose sum is σ = 16118701885440. Its totient is φ = 10745667452160.

The previous prime is 13320233210209. The next prime is 13320233210237. The reversal of 13320233210221 is 12201233202331.

It is a cyclic number.

It is not a de Polignac number, because 13320233210221 - 211 = 13320233208173 is a prime.

It is a super-2 number, since 2×133202332102212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320233220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29654535 + ... + 30100363.

It is an arithmetic number, because the mean of its divisors is an integer number (1007418867840).

Almost surely, 213320233210221 is an apocalyptic number.

It is an amenable number.

13320233210221 is a deficient number, since it is larger than the sum of its proper divisors (2798468675219).

13320233210221 is a wasteful number, since it uses less digits than its factorization.

13320233210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696924.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13320233210221 its reverse (12201233202331), we get a palindrome (25521466412552).

The spelling of 13320233210221 in words is "thirteen trillion, three hundred twenty billion, two hundred thirty-three million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 17 119 251071 445829 1757497 3120803 4268207 7579093 29877449 53053651 111934732859 783543130013 1902890458603 13320233210221