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12700858240087 = 36734607243161
BaseRepresentation
bin1011100011010010011000…
…1001001100110001010111
31122222012010122111121121021
42320310212021030301113
53131042324202140322
643002405502302011
72450415051526513
oct270644611146127
948865118447537
1012700858240087
114057449402a26
121511617887907
137118bb8c15a4
1431ca20c8d143
151705a25064c7
hexb8d2624cc57

12700858240087 has 4 divisors (see below), whose sum is σ = 12735465483616. Its totient is φ = 12666250996560.

The previous prime is 12700858240079. The next prime is 12700858240121. The reversal of 12700858240087 is 78004285800721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12700858240087 - 23 = 12700858240079 is a prime.

It is a super-2 number, since 2×127008582400872 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700858240487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17303621214 + ... + 17303621947.

It is an arithmetic number, because the mean of its divisors is an integer number (3183866370904).

Almost surely, 212700858240087 is an apocalyptic number.

12700858240087 is a deficient number, since it is larger than the sum of its proper divisors (34607243529).

12700858240087 is an equidigital number, since it uses as much as digits as its factorization.

12700858240087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34607243528.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 12700858240087 in words is "twelve trillion, seven hundred billion, eight hundred fifty-eight million, two hundred forty thousand, eighty-seven".

Divisors: 1 367 34607243161 12700858240087