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13200344144221 = 1317192883918719
BaseRepresentation
bin1100000000010111000111…
…0100101101100101011101
31201201221101200100112220011
43000011301310231211131
53212233301100103341
644024053202523221
72531456555623333
oct300056164554535
951657350315804
1013200344144221
11422a264156603
121592394666511
13749a30390310
14338c85acbb53
1517d587e39b81
hexc0171d2d95d

13200344144221 has 48 divisors (see below), whose sum is σ = 15888526617600. Its totient is φ = 10862774770176.

The previous prime is 13200344144171. The next prime is 13200344144269. The reversal of 13200344144221 is 12244144300231.

It is a happy number.

It is not a de Polignac number, because 13200344144221 - 217 = 13200344013149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200344124221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 705174900 + ... + 705193618.

It is an arithmetic number, because the mean of its divisors is an integer number (331010971200).

Almost surely, 213200344144221 is an apocalyptic number.

It is an amenable number.

13200344144221 is a deficient number, since it is larger than the sum of its proper divisors (2688182473379).

13200344144221 is a wasteful number, since it uses less digits than its factorization.

13200344144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27626 (or 27607 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 13200344144221 its reverse (12244144300231), we get a palindrome (25444488444452).

The spelling of 13200344144221 in words is "thirteen trillion, two hundred billion, three hundred forty-four million, one hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 13 17 19 221 247 323 361 4199 4693 6137 8839 18719 79781 114907 150263 167941 243347 318223 355661 1953419 2183233 2854997 3190879 4136899 4623593 6046237 6757559 37114961 41481427 54244943 78601081 87848267 114878503 165457241 705184259 1493420539 2150944133 2812773097 3143687579 36566050261 40867938527 53442688843 59730064001 694754954959 776490832013 1015411088017 13200344144221