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16442666062725 = 3527240211112707
BaseRepresentation
bin1110111101000101101101…
…0001010001001110000101
32011012220101200001201201210
43233101123101101032011
54123344040003001400
654545353450042033
73314641410326100
oct357213321211605
964186350051653
1016442666062725
11526a328373231
121a16847719319
139236c933c4c6
1440bb877a9737
151d7aa138a950
hexef45b451385

16442666062725 has 72 divisors (see below), whose sum is σ = 31631502219168. Its totient is φ = 7514771241600.

The previous prime is 16442666062657. The next prime is 16442666062747. The reversal of 16442666062725 is 52726066624461.

16442666062725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16442666062725 - 219 = 16442665538437 is a prime.

It is a super-3 number, since 3×164426660627253 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14220822 + ... + 15333528.

Almost surely, 216442666062725 is an apocalyptic number.

16442666062725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16442666062725 is a deficient number, since it is larger than the sum of its proper divisors (15188836156443).

16442666062725 is a wasteful number, since it uses less digits than its factorization.

16442666062725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116755 (or 1116743 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 16442666062725 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-six million, sixty-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 49 75 105 147 175 245 525 735 1225 3675 4021 12063 20105 28147 60315 84441 100525 140735 197029 301575 422205 591087 703675 985145 1112707 2111025 2955435 3338121 4925725 5563535 7788949 14777175 16690605 23366847 27817675 38944745 54522643 83453025 116834235 163567929 194723725 272613215 584171175 817839645 1363066075 4089198225 4474194847 13422584541 22370974235 31319363929 67112922705 93958091787 111854871175 156596819645 219235547503 335564613525 469790458935 657706642509 782984098225 1096177737515 2348952294675 3288533212545 5480888687575 16442666062725