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54717660324021 = 31721937419214259
BaseRepresentation
bin11000111000011111100101…
…01101001110000010110101
321011201221211211100202222210
430130033302231032002311
524132443232020332041
6312212540210444033
714345135426505012
oct1434176255160265
9234657754322883
1054717660324021
11164866a1848162
126178795893619
13246bb12708bc6
14d724c54d8709
1564d4ea331016
hex31c3f2b4e0b5

54717660324021 has 96 divisors (see below), whose sum is σ = 83985120576000. Its totient is φ = 31570919728128.

The previous prime is 54717660324017. The next prime is 54717660324029. The reversal of 54717660324021 is 12042306671745.

It is not a de Polignac number, because 54717660324021 - 22 = 54717660324017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54717660324029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 255273790 + ... + 255488048.

It is an arithmetic number, because the mean of its divisors is an integer number (874845006000).

Almost surely, 254717660324021 is an apocalyptic number.

54717660324021 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54717660324021 is a deficient number, since it is larger than the sum of its proper divisors (29267460251979).

54717660324021 is a wasteful number, since it uses less digits than its factorization.

54717660324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214771 (or 214754 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

Adding to 54717660324021 its reverse (12042306671745), we get a palindrome (66759966995766).

The spelling of 54717660324021 in words is "fifty-four trillion, seven hundred seventeen billion, six hundred sixty million, three hundred twenty-four thousand, twenty-one".

Divisors: 1 3 17 19 37 51 57 111 289 323 419 629 703 867 969 1257 1887 2109 5491 7123 7961 10693 11951 15503 16473 21369 23883 32079 35853 46509 121091 135337 203167 214259 263551 294557 363273 406011 609501 642777 790653 883671 2300729 3642403 4070921 4480367 5007469 6902187 7927583 10927209 12212763 13441101 15022407 23782749 61920851 69205657 85126973 89774521 134768911 150624077 185762553 207616971 255380919 269323563 404306733 451872231 1176496169 1526166857 1705715899 2291071487 2560609309 3321657277 3529488507 4578500571 5117147697 6873214461 7681827927 9964971831 25944836569 28997170283 43530358253 56468173709 63111488263 77834509707 86991510849 130591074759 169404521127 189334464789 492951894811 959958953053 1072895300471 1478855684433 2879876859159 3218685901413 18239220108007 54717660324021