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12804281075312 = 241575097245651
BaseRepresentation
bin1011101001010011101010…
…1000000000011001110000
31200100002002100211000001222
42322110322220000121300
53134241131423402222
643122112220444212
72461036010240456
oct272247250003160
950302070730058
1012804281075312
1140972a0950871
12152967b9a9668
1371b5915908cc
14323a327429d6
15173106ea9542
hexba53aa00670

12804281075312 has 20 divisors (see below), whose sum is σ = 24966309203496. Its totient is φ = 6361362571200.

The previous prime is 12804281075309. The next prime is 12804281075381. The reversal of 12804281075312 is 21357018240821.

It is a super-2 number, since 2×128042810753122 (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 3 ways as a sum of consecutive naturals, for example, 2548620314 + ... + 2548625337.

Almost surely, 212804281075312 is an apocalyptic number.

It is an amenable number.

12804281075312 is a deficient number, since it is larger than the sum of its proper divisors (12162028128184).

12804281075312 is a wasteful number, since it uses less digits than its factorization.

12804281075312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097245816 (or 5097245810 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 12804281075312 in words is "twelve trillion, eight hundred four billion, two hundred eighty-one million, seventy-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 157 314 628 1256 2512 5097245651 10194491302 20388982604 40777965208 81555930416 800267567207 1600535134414 3201070268828 6402140537656 12804281075312