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12943566534990 = 23571310223463781
BaseRepresentation
bin1011110001011010100010…
…1011110111100101001110
31200211101121101222110202210
42330112220223313211032
53144031411013104430
643310105315331250
72504066434146030
oct274265053674516
950741541873683
1012943566534990
114140376964213
1215506722b0b26
1372b75b0c2180
1432a6870cdc50
15176a5a0d52b0
hexbc5a8af794e

12943566534990 has 128 divisors (see below), whose sum is σ = 38237126602752. Its totient is φ = 2730677276160.

The previous prime is 12943566534989. The next prime is 12943566534991. The reversal of 12943566534990 is 9943566534921.

It is an interprime number because it is at equal distance from previous prime (12943566534989) and next prime (12943566534991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943566534991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27676900 + ... + 28140680.

It is an arithmetic number, because the mean of its divisors is an integer number (298727551584).

Almost surely, 212943566534990 is an apocalyptic number.

12943566534990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12943566534990 is an abundant number, since it is smaller than the sum of its proper divisors (25293560067762).

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

12943566534990 is a wasteful number, since it uses less digits than its factorization.

12943566534990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474034.

The product of its (nonzero) digits is 188956800, while the sum is 66.

The spelling of 12943566534990 in words is "twelve trillion, nine hundred forty-three billion, five hundred sixty-six million, five hundred thirty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 10223 20446 30669 51115 61338 71561 102230 132899 143122 153345 214683 265798 306690 357805 398697 429366 463781 664495 715610 797394 927562 930293 1073415 1328990 1391343 1860586 1993485 2146830 2318905 2782686 2790879 3246467 3986970 4637810 4651465 5581758 6029153 6492934 6956715 9302930 9739401 12058306 13913430 13954395 16232335 18087459 19478802 27908790 30145765 32464670 36174918 42204071 48697005 60291530 84408142 90437295 97394010 126612213 180874590 211020355 253224426 422040710 633061065 1266122130 4741233163 9482466326 14223699489 23706165815 28447398978 33188632141 47412331630 61636031119 66377264282 71118497445 99565896423 123272062238 142236994890 165943160705 184908093357 199131792846 308180155595 331886321410 369816186714 431452217833 497829482115 616360311190 862904435666 924540466785 995658964230 1294356653499 1849080933570 2157261089165 2588713306998 4314522178330 6471783267495 12943566534990