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27406641040680 = 233511131111158359
BaseRepresentation
bin1100011101101000110110…
…00110101000110100101000
310121001001022221021200012110
412032310123012220310220
512043012300101300210
6134142234224242320
75526031054061556
oct616643306506450
9117031287250173
1027406641040680
118807100417950
1230a77107703a0
13123a587081465
146aa6ba652bd6
15327d99ede420
hex18ed1b1a8d28

27406641040680 has 128 divisors (see below), whose sum is σ = 89695712102400. Its totient is φ = 6643941561600.

The previous prime is 27406641040679. The next prime is 27406641040711. The reversal of 27406641040680 is 8604014660472.

It is a super-3 number, since 3×274066410406803 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172987341 + ... + 173145699.

It is an arithmetic number, because the mean of its divisors is an integer number (700747750800).

Almost surely, 227406641040680 is an apocalyptic number.

27406641040680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27406641040680 is an abundant number, since it is smaller than the sum of its proper divisors (62289071061720).

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

27406641040680 is a wasteful number, since it uses less digits than its factorization.

27406641040680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289495 (or 289491 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 27406641040680 in words is "twenty-seven trillion, four hundred six billion, six hundred forty-one million, forty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 131111 158359 262222 316718 393333 475077 524444 633436 655555 786666 791795 950154 1048888 1266872 1311110 1442221 1573332 1583590 1741949 1900308 1966665 2375385 2622220 2884442 3146664 3167180 3483898 3800616 3933330 4326663 4750770 5225847 5244440 5768884 6334360 6967796 7211105 7866660 8653326 8709745 9501540 10451694 11537768 13935592 14422210 15733320 17306652 17419490 19003080 20903388 21633315 26129235 28844420 34613304 34838980 41806776 43266630 52258470 57688840 69677960 86533260 104516940 173066520 209033880 20762606849 41525213698 62287820547 83050427396 103813034245 124575641094 166100854792 207626068490 228388675339 249151282188 311439102735 415252136980 456777350678 498302564376 622878205470 685166026017 830504273960 913554701356 1141943376695 1245756410940 1370332052034 1827109402712 2283886753390 2491512821880 2740664104068 3425830130085 4567773506780 5481328208136 6851660260170 9135547013560 13703320520340 27406641040680