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12805382802668 = 223201345700667
BaseRepresentation
bin1011101001010111110001…
…0010110000110011101100
31200100011221010220112212212
42322111330102300303230
53134300410444141133
643122413414345552
72461105215616541
oct272257422606354
950304833815785
1012805382802668
114097806835945
12152992895b2b8
1371b7088c78a1
14323ad8bb0bc8
1517316da82148
hexba57c4b0cec

12805382802668 has 6 divisors (see below), whose sum is σ = 22409419904676. Its totient is φ = 6402691401332.

The previous prime is 12805382802659. The next prime is 12805382802671. The reversal of 12805382802668 is 86620828350821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600672850330 + ... + 1600672850337.

It is an arithmetic number, because the mean of its divisors is an integer number (3734903317446).

Almost surely, 212805382802668 is an apocalyptic number.

It is an amenable number.

12805382802668 is a deficient number, since it is larger than the sum of its proper divisors (9604037102008).

12805382802668 is a wasteful number, since it uses less digits than its factorization.

12805382802668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201345700671 (or 3201345700669 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 59.

The spelling of 12805382802668 in words is "twelve trillion, eight hundred five billion, three hundred eighty-two million, eight hundred two thousand, six hundred sixty-eight".

Divisors: 1 2 4 3201345700667 6402691401334 12805382802668