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12834636145121 = 789109391883293
BaseRepresentation
bin1011101011000100101111…
…1011011010000111100001
31200102222102212020022122202
42322301023323122013201
53140240313323120441
643144052255142545
72463162151130330
oct272611373320741
950388385208582
1012834636145121
1140a915856201a
121533531814a55
137213bb39568b
143252b1db7d17
15173cd1d6e19b
hexbac4beda1e1

12834636145121 has 16 divisors (see below), whose sum is σ = 14834330179200. Its totient is φ = 10876508489088.

The previous prime is 12834636145117. The next prime is 12834636145147. The reversal of 12834636145121 is 12154163643821.

It is a cyclic number.

It is not a de Polignac number, because 12834636145121 - 22 = 12834636145117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12834636145151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5873351 + ... + 7756643.

It is an arithmetic number, because the mean of its divisors is an integer number (927145636200).

Almost surely, 212834636145121 is an apocalyptic number.

It is an amenable number.

12834636145121 is a deficient number, since it is larger than the sum of its proper divisors (1999694034079).

12834636145121 is a wasteful number, since it uses less digits than its factorization.

12834636145121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894328.

The product of its digits is 829440, while the sum is 47.

Adding to 12834636145121 its reverse (12154163643821), we get a palindrome (24988799788942).

The spelling of 12834636145121 in words is "twelve trillion, eight hundred thirty-four billion, six hundred thirty-six million, one hundred forty-five thousand, one hundred twenty-one".

Divisors: 1 7 89 623 10939 76573 973571 1883293 6814997 13183051 167613077 1173291539 20601342127 144209394889 1833519449303 12834636145121