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12800159064078 = 234745390634979
BaseRepresentation
bin1011101001000100010011…
…1011110010000000001110
31200022200110002112010200020
42322101010323302000032
53134204211210022303
643120151211443010
72460531605565141
oct272210473620016
950280402463606
1012800159064078
114095576101811
12152890b456466
1371b0855bc9c9
1432376110c058
15172e65182a53
hexba444ef200e

12800159064078 has 16 divisors (see below), whose sum is σ = 26145005748480. Its totient is φ = 4175938417976.

The previous prime is 12800159064073. The next prime is 12800159064109. The reversal of 12800159064078 is 87046095100821.

It is a super-3 number, since 3×128001590640783 (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12800159064078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12800159064073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22695317208 + ... + 22695317771.

It is an arithmetic number, because the mean of its divisors is an integer number (1634062859280).

Almost surely, 212800159064078 is an apocalyptic number.

12800159064078 is an abundant number, since it is smaller than the sum of its proper divisors (13344846684402).

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

12800159064078 is a wasteful number, since it uses less digits than its factorization.

12800159064078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45390635031.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 12800159064078 in words is "twelve trillion, eight hundred billion, one hundred fifty-nine million, sixty-four thousand, seventy-eight".

Divisors: 1 2 3 6 47 94 141 282 45390634979 90781269958 136171904937 272343809874 2133359844013 4266719688026 6400079532039 12800159064078