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12820314086748 = 22327672681328319
BaseRepresentation
bin1011101010001111011001…
…0001000101110101011100
31200101121110201202101001100
42322203312101011311130
53140022000401233443
643133323155513100
72462144222501160
oct272436621056534
950347421671040
1012820314086748
1140a3079093643
1215307b52b8790
1371cc4813471c
14324713c28ca0
151737448213d3
hexba8f6445d5c

12820314086748 has 144 divisors (see below), whose sum is σ = 37591975249920. Its totient is φ = 3608014050432.

The previous prime is 12820314086731. The next prime is 12820314086771. The reversal of 12820314086748 is 84768041302821.

12820314086748 is a `hidden beast` number, since 1 + 28 + 203 + 1 + 408 + 6 + 7 + 4 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12820314086694 and 12820314086703.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 452696533 + ... + 452724851.

It is an arithmetic number, because the mean of its divisors is an integer number (261055383680).

Almost surely, 212820314086748 is an apocalyptic number.

12820314086748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12820314086748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18795987624960).

12820314086748 is an abundant number, since it is smaller than the sum of its proper divisors (24771661163172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12820314086748 is a wasteful number, since it uses less digits than its factorization.

12820314086748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55216 (or 55211 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 12820314086748 in words is "twelve trillion, eight hundred twenty billion, three hundred fourteen million, eighty-six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 67 84 126 134 201 252 268 402 469 603 804 938 1206 1407 1876 2412 2814 4221 5628 8442 16884 26813 28319 53626 56638 80439 84957 107252 113276 160878 169914 187691 198233 241317 254871 321756 339828 375382 396466 482634 509742 563073 594699 750764 792932 965268 1019484 1126146 1189398 1689219 1784097 1796471 1897373 2252292 2378796 3378438 3568194 3592942 3794746 5389413 5692119 6756876 7136388 7185884 7589492 10778826 11384238 12575297 13281611 16168239 17076357 21557652 22768476 25150594 26563222 32336478 34152714 37725891 39844833 50301188 53126444 64672956 68305428 75451782 79689666 113177673 119534499 150903564 159379332 226355346 239068998 452710692 478137996 759317347 1518634694 2277952041 3037269388 4555904082 5315221429 6833856123 9111808164 10630442858 13667712246 15945664287 21260885716 27335424492 31891328574 47836992861 50874262249 63782657148 95673985722 101748524498 152622786747 191347971444 203497048996 305245573494 356119835743 457868360241 610491146988 712239671486 915736720482 1068359507229 1424479342972 1831473440964 2136719014458 3205078521687 4273438028916 6410157043374 12820314086748