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13201321103200 = 255281120347289
BaseRepresentation
bin1100000000011010110000…
…0011100000111101100000
31201202000220202200012200001
43000012230003200331200
53212242301200300300
644024334142305344
72531523020631256
oct300065403407540
951660822605601
1013201321103200
11422a71567231a
121592607888254
13749b578c0b59
14338d3975c5d6
1517d5e3ab916a
hexc01ac0e0f60

13201321103200 has 72 divisors (see below), whose sum is σ = 32267464984440. Its totient is φ = 5274017049600.

The previous prime is 13201321103189. The next prime is 13201321103209. The reversal of 13201321103200 is 230112310231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201321103209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9524845 + ... + 10822444.

It is an arithmetic number, because the mean of its divisors is an integer number (448159235895).

Almost surely, 213201321103200 is an apocalyptic number.

13201321103200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201321103200 is an abundant number, since it is smaller than the sum of its proper divisors (19066143881240).

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

13201321103200 is a wasteful number, since it uses less digits than its factorization.

13201321103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348120 (or 20348107 counting only the distinct ones).

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

Adding to 13201321103200 its reverse (230112310231), we get a palindrome (13431433413431).

The spelling of 13201321103200 in words is "thirteen trillion, two hundred one billion, three hundred twenty-one million, one hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 811 1622 3244 4055 6488 8110 12976 16220 20275 25952 32440 40550 64880 81100 129760 162200 324400 648800 20347289 40694578 81389156 101736445 162778312 203472890 325556624 406945780 508682225 651113248 813891560 1017364450 1627783120 2034728900 3255566240 4069457800 8138915600 16277831200 16501651379 33003302758 66006605516 82508256895 132013211032 165016513790 264026422064 330033027580 412541284475 528052844128 660066055160 825082568950 1320132110320 1650165137900 2640264220640 3300330275800 6600660551600 13201321103200