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12740340561862 = 2193136972925407
BaseRepresentation
bin1011100101100101011101…
…1110010011011111000110
31200002222001020110101002011
42321121113132103133012
53132214204140434422
643032455345404434
72453313341654404
oct271312736233706
950088036411064
1012740340561862
11407216a11a721
1215191b633971a
1371554163c374
143208c87c2474
15171613832077
hexb96577937c6

12740340561862 has 32 divisors (see below), whose sum is σ = 20770864865280. Its totient is φ = 5838642311040.

The previous prime is 12740340561859. The next prime is 12740340561877. The reversal of 12740340561862 is 26816504304721.

It is a super-2 number, since 2×127403405618622 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892363 + ... + 5817769.

It is an arithmetic number, because the mean of its divisors is an integer number (649089527040).

Almost surely, 212740340561862 is an apocalyptic number.

12740340561862 is a deficient number, since it is larger than the sum of its proper divisors (8030524303418).

12740340561862 is a wasteful number, since it uses less digits than its factorization.

12740340561862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929156.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 12740340561862 in words is "twelve trillion, seven hundred forty billion, three hundred forty million, five hundred sixty-one thousand, eight hundred sixty-two".

Divisors: 1 2 19 31 38 62 589 1178 3697 7394 70243 114607 140486 229214 2177533 2925407 4355066 5850814 55582733 90687617 111165466 181375234 1723064723 3446129446 10815229679 21630459358 205489363901 335272120049 410978727802 670544240098 6370170280931 12740340561862