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13125410535405 = 357532358564337
BaseRepresentation
bin1011111011111111111101…
…1011101011011111101101
31201110202222102112211001010
42332333333123223133231
53210021320044113110
643525421431335433
72523164623512450
oct276777733533755
951422872484033
1013125410535405
114200501083183
12157b961521579
1374294aa9110c
143353b7b77497
1517b64e639020
hexbefff6eb7ed

13125410535405 has 32 divisors (see below), whose sum is σ = 24453595056384. Its totient is φ = 5886976582656.

The previous prime is 13125410535401. The next prime is 13125410535427. The reversal of 13125410535405 is 50453501452131.

It is not a de Polignac number, because 13125410535405 - 22 = 13125410535401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125410535401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1179276604 + ... + 1179287733.

It is an arithmetic number, because the mean of its divisors is an integer number (764174845512).

Almost surely, 213125410535405 is an apocalyptic number.

13125410535405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13125410535405 is a deficient number, since it is larger than the sum of its proper divisors (11328184520979).

13125410535405 is a wasteful number, since it uses less digits than its factorization.

13125410535405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358564405.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 13125410535405 its reverse (50453501452131), we get a palindrome (63578911987536).

The spelling of 13125410535405 in words is "thirteen trillion, one hundred twenty-five billion, four hundred ten million, five hundred thirty-five thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 53 105 159 265 371 795 1113 1855 5565 2358564337 7075693011 11792821685 16509950359 35378465055 49529851077 82549751795 125003909861 247649255385 375011729583 625019549305 875027369027 1875058647915 2625082107081 4375136845135 13125410535405