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12405006081685 = 57354428745191
BaseRepresentation
bin1011010010000100001111…
…1110110001111010010101
31121220220111012110202212001
42310201003332301322111
53111220423024103220
642214440415555301
72420142420630610
oct264410376617225
947826435422761
1012405006081685
113a52a2a598498
12148420b52bb31
136bca30208a29
1430c596987177
15167a3907280a
hexb4843fb1e95

12405006081685 has 8 divisors (see below), whose sum is σ = 17012579769216. Its totient is φ = 8506289884560.

The previous prime is 12405006081679. The next prime is 12405006081697. The reversal of 12405006081685 is 58618060050421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12405006081685 - 227 = 12404871863957 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 177214372561 + ... + 177214372630.

It is an arithmetic number, because the mean of its divisors is an integer number (2126572471152).

Almost surely, 212405006081685 is an apocalyptic number.

It is an amenable number.

12405006081685 is a deficient number, since it is larger than the sum of its proper divisors (4607573687531).

12405006081685 is an equidigital number, since it uses as much as digits as its factorization.

12405006081685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354428745203.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 12405006081685 in words is "twelve trillion, four hundred five billion, six million, eighty-one thousand, six hundred eighty-five".

Divisors: 1 5 7 35 354428745191 1772143725955 2481001216337 12405006081685