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13530331005 = 356138338609
BaseRepresentation
bin11001001100111100…
…00111011101111101
31021220221201000211120
430212132013131331
5210202231043010
610114333541153
7656202626112
oct144636073575
937827630746
1013530331005
115813578a44
1227573447b9
131378216629
14924d78909
15542cabe70
hex32678777d

13530331005 has 32 divisors (see below), whose sum is σ = 22061445120. Its totient is φ = 7079162880.

The previous prime is 13530330997. The next prime is 13530331039. The reversal of 13530331005 is 50013303531.

It is not a de Polignac number, because 13530331005 - 23 = 13530330997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331141 + ... + 369749.

It is an arithmetic number, because the mean of its divisors is an integer number (689420160).

Almost surely, 213530331005 is an apocalyptic number.

13530331005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13530331005 is a deficient number, since it is larger than the sum of its proper divisors (8531114115).

13530331005 is a wasteful number, since it uses less digits than its factorization.

13530331005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39061.

The product of its (nonzero) digits is 2025, while the sum is 24.

Adding to 13530331005 its reverse (50013303531), we get a palindrome (63543634536).

The spelling of 13530331005 in words is "thirteen billion, five hundred thirty million, three hundred thirty-one thousand, five".

Divisors: 1 3 5 15 61 183 305 383 915 1149 1915 5745 23363 38609 70089 115827 116815 193045 350445 579135 2355149 7065447 11775745 14787247 35327235 44361741 73936235 221808705 902022067 2706066201 4510110335 13530331005