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12911862382863 = 3171483242370457
BaseRepresentation
bin1011101111100100011011…
…1110001000000100001111
31200201100202220000200011020
42323321012332020010033
53143021443232222423
643243343325325223
72501564662252443
oct273710676100417
950640686020136
1012911862382863
1141289877814a4
1215464a4706813
13728777958942
14328d1a5dc823
15175d01a874e3
hexbbe46f8810f

12911862382863 has 32 divisors (see below), whose sum is σ = 18248590434816. Its totient is φ = 8092641543168.

The previous prime is 12911862382849. The next prime is 12911862382883. The reversal of 12911862382863 is 36828326811921.

It is a Cunningham number, because it is equal to 35933082-1.

It is not a de Polignac number, because 12911862382863 - 214 = 12911862366479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12911862382797 and 12911862382806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911862382813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183223531 + ... + 183293987.

It is an arithmetic number, because the mean of its divisors is an integer number (570268451088).

Almost surely, 212911862382863 is an apocalyptic number.

12911862382863 is a deficient number, since it is larger than the sum of its proper divisors (5336728051953).

12911862382863 is a wasteful number, since it uses less digits than its factorization.

12911862382863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74383.

The product of its digits is 11943936, while the sum is 60.

The spelling of 12911862382863 in words is "twelve trillion, nine hundred eleven billion, eight hundred sixty-two million, three hundred eighty-two thousand, eight hundred sixty-three".

Divisors: 1 3 17 51 1483 2423 4449 7269 25211 41191 70457 75633 123573 211371 1197769 3593307 3593309 10779927 61086253 104487731 170717311 183258759 313463193 512151933 1776291427 2902194287 5328874281 8706582861 253173772213 759521316639 4303954127621 12911862382863