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13320221200000 = 27551113232871
BaseRepresentation
bin1100000111010101101100…
…0011011000111010000000
31202011101211010011221121221
43001311123003120322000
53221214303111400000
644155120344124424
72543232333032641
oct301653303307200
952141733157557
1013320221200000
11427608a678930
1215b166b166714
13758125c5c610
143409b898d6c8
1518175220761a
hexc1d5b0d8e80

13320221200000 has 384 divisors, whose sum is σ = 38967179690880. Its totient is φ = 4471104000000.

The previous prime is 13320221199991. The next prime is 13320221200001. The reversal of 13320221200000 is 212202331.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (13320221200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57083565 + ... + 57316435.

It is an arithmetic number, because the mean of its divisors is an integer number (101477030445).

Almost surely, 213320221200000 is an apocalyptic number.

13320221200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13320221200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19483589845440).

13320221200000 is an abundant number, since it is smaller than the sum of its proper divisors (25646958490880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13320221200000 is an equidigital number, since it uses as much as digits as its factorization.

13320221200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232934 (or 232902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13320221200000 its reverse (212202331), we get a palindrome (13320433402331).

The spelling of 13320221200000 in words is "thirteen trillion, three hundred twenty billion, two hundred twenty-one million, two hundred thousand".