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13021333321200 = 243521737149115781
BaseRepresentation
bin1011110101111100001111…
…1100100111010111110000
31201002211100002220112100220
42331133003330213113300
53201320142312234300
643405530135413040
72512521531006201
oct275370374472760
951084302815326
1013021333321200
114170353215766
121563756224180
13735ba26668b9
143303434235a8
15178aac4c5da0
hexbd7c3f275f0

13021333321200 has 480 divisors, whose sum is σ = 45663772420800. Its totient is φ = 3158404300800.

The previous prime is 13021333321187. The next prime is 13021333321289. The reversal of 13021333321200 is 212333312031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112407310 + ... + 112523090.

It is an arithmetic number, because the mean of its divisors is an integer number (95132859210).

Almost surely, 213021333321200 is an apocalyptic number.

13021333321200 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 13021333321200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22831886210400).

13021333321200 is an abundant number, since it is smaller than the sum of its proper divisors (32642439099600).

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

13021333321200 is a wasteful number, since it uses less digits than its factorization.

13021333321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116005 (or 115994 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13021333321200 its reverse (212333312031), we get a palindrome (13233666633231).

The spelling of 13021333321200 in words is "thirteen trillion, twenty-one billion, three hundred thirty-three million, three hundred twenty-one thousand, two hundred".