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16871938675201 = 19372648646291
BaseRepresentation
bin1111010110000100110111…
…1010010101001000000001
32012201221102102012220000001
43311201031322111020001
54202412212300101301
655514510040000001
73360646240326451
oct365411572251001
965657372186001
1016871938675201
115415392593645
121a85a8a160001
1395502b4346cc
1442486b54dd61
151e3d27acac01
hexf584de95201

16871938675201 has 12 divisors (see below), whose sum is σ = 18252906656880. Its totient is φ = 15551943449040.

The previous prime is 16871938675199. The next prime is 16871938675213. The reversal of 16871938675201 is 10257683917861.

It is not a de Polignac number, because 16871938675201 - 21 = 16871938675199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16871938675261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324297135 + ... + 324349156.

It is an arithmetic number, because the mean of its divisors is an integer number (1521075554740).

Almost surely, 216871938675201 is an apocalyptic number.

It is an amenable number.

16871938675201 is a deficient number, since it is larger than the sum of its proper divisors (1380967981679).

16871938675201 is an equidigital number, since it uses as much as digits as its factorization.

16871938675201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648646384 (or 648646347 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 16871938675201 in words is "sixteen trillion, eight hundred seventy-one billion, nine hundred thirty-eight million, six hundred seventy-five thousand, two hundred one".

Divisors: 1 19 37 703 1369 26011 648646291 12324279529 23999912767 455998342573 887996772379 16871938675201