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12999730065244 = 2213248497396527
BaseRepresentation
bin1011110100101011110001…
…0010101110111101011100
31201000202120112120102101221
42331022330102232331130
53200441421344041434
643351554334543124
72511125300241526
oct275127422567534
951022515512357
1012999730065244
1141621777a081a
12155b527367aa4
13733b3ba86200
1432d29423aa16
15178245b162b4
hexbd2bc4aef5c

12999730065244 has 36 divisors (see below), whose sum is σ = 24634673943264. Its totient is φ = 5999736567552.

The previous prime is 12999730065209. The next prime is 12999730065251. The reversal of 12999730065244 is 44256003799921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32585709 + ... + 32982235.

It is an arithmetic number, because the mean of its divisors is an integer number (684296498424).

Almost surely, 212999730065244 is an apocalyptic number.

It is an amenable number.

12999730065244 is a deficient number, since it is larger than the sum of its proper divisors (11634943878020).

12999730065244 is a wasteful number, since it uses less digits than its factorization.

12999730065244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445054 (or 445039 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 12999730065244 in words is "twelve trillion, nine hundred ninety-nine billion, seven hundred thirty million, sixty-five thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 169 338 676 48497 96994 193988 396527 630461 793054 1260922 1586108 2521844 5154851 8195993 10309702 16391986 20619404 32783972 67013063 134026126 268052252 19230369919 38460739838 76921479676 249994808947 499989617894 999979235788 3249932516311 6499865032622 12999730065244