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13485523386887 = 376737409145417
BaseRepresentation
bin1100010000111101011111…
…0101001100001000000111
31202202012111022102002122222
43010033113311030020013
53231421322441340022
644403055223442555
72561203561321646
oct304172765141007
952665438362588
1013485523386887
11432a1a6426522
1216197025b645b
1376a8aa840116
143489ba74735d
15185bc93dd242
hexc43d7d4c207

13485523386887 has 16 divisors (see below), whose sum is σ = 14057185789920. Its totient is φ = 12924778825728.

The previous prime is 13485523386791. The next prime is 13485523386947. The reversal of 13485523386887 is 78868332558431.

It is a cyclic number.

It is not a de Polignac number, because 13485523386887 - 210 = 13485523385863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13485523386887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485523346887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92664203 + ... + 92809619.

It is an arithmetic number, because the mean of its divisors is an integer number (878574111870).

Almost surely, 213485523386887 is an apocalyptic number.

13485523386887 is a deficient number, since it is larger than the sum of its proper divisors (571662403033).

13485523386887 is a wasteful number, since it uses less digits than its factorization.

13485523386887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182930.

The product of its digits is 928972800, while the sum is 71.

The spelling of 13485523386887 in words is "thirteen trillion, four hundred eighty-five billion, five hundred twenty-three million, three hundred eighty-six thousand, eight hundred eighty-seven".

Divisors: 1 37 67 2479 37409 145417 1384133 2506403 5380429 9742939 92736911 360488743 5439904553 201276468461 364473605051 13485523386887