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13255521304005 = 325719074574237
BaseRepresentation
bin1100000011100100101010…
…1000110111110111000101
31201221012211001220200121200
43000321022220313313011
53214134301423212010
644105300304533113
72535452114012361
oct300711250676705
951835731820550
1013255521304005
1142506a9229402
1215a1013321199
13751cb48a9aa6
1433b7dbc382a1
1517ec1707ccc0
hexc0e4aa37dc5

13255521304005 has 48 divisors (see below), whose sum is σ = 23325539912064. Its totient is φ = 6962353130880.

The previous prime is 13255521303977. The next prime is 13255521304009. The reversal of 13255521304005 is 50040312555231.

13255521304005 is a `hidden beast` number, since 1 + 32 + 5 + 5 + 5 + 213 + 0 + 400 + 5 = 666.

13255521304005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13255521304005 - 238 = 12980643397061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255521304009) 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, 610747 + ... + 5184983.

It is an arithmetic number, because the mean of its divisors is an integer number (485948748168).

Almost surely, 213255521304005 is an apocalyptic number.

13255521304005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13255521304005 is a deficient number, since it is larger than the sum of its proper divisors (10070018608059).

13255521304005 is a wasteful number, since it uses less digits than its factorization.

13255521304005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575226 (or 4575223 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 13255521304005 its reverse (50040312555231), we get a palindrome (63295833859236).

The spelling of 13255521304005 in words is "thirteen trillion, two hundred fifty-five billion, five hundred twenty-one million, three hundred four thousand, five".

Divisors: 1 3 5 9 15 45 71 213 355 639 907 1065 2721 3195 4535 8163 13605 40815 64397 193191 321985 579573 965955 2897865 4574237 13722711 22871185 41168133 68613555 205840665 324770827 974312481 1623854135 2922937443 4148832959 4871562405 12446498877 14614687215 20744164795 37339496631 62232494385 186697483155 294567140089 883701420267 1472835700445 2651104260801 4418507101335 13255521304005