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18371013225712 = 2472112161359731
BaseRepresentation
bin1000010110101010101011…
…01101111010110011110000
32102001020210111110022200121
410023111111231322303300
54401442313341210322
6103023305454100024
73604155555632530
oct413252555726360
972036714408617
1018371013225712
115943115042044
1220885131aa614
13a334c0bb3964
14477239d174c0
1521cd13abcec7
hex10b555b7acf0

18371013225712 has 80 divisors (see below), whose sum is σ = 40890488944384. Its totient is φ = 7832329344000.

The previous prime is 18371013225709. The next prime is 18371013225793. The reversal of 18371013225712 is 21752231017381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50888887 + ... + 51248617.

Almost surely, 218371013225712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18371013225712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20445244472192).

18371013225712 is an abundant number, since it is smaller than the sum of its proper divisors (22519475718672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18371013225712 is a wasteful number, since it uses less digits than its factorization.

18371013225712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362118 (or 362112 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 18371013225712 in words is "eighteen trillion, three hundred seventy-one billion, thirteen million, two hundred twenty-five thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 211 422 844 1477 1688 2161 2954 3376 4322 5908 8644 11816 15127 17288 23632 30254 34576 60508 121016 242032 359731 455971 719462 911942 1438924 1823884 2518117 2877848 3191797 3647768 5036234 5755696 6383594 7295536 10072468 12767188 20144936 25534376 40289872 51068752 75903241 151806482 303612964 531322687 607225928 777378691 1062645374 1214451856 1554757382 2125290748 3109514764 4250581496 5441650837 6219029528 8501162992 10883301674 12438059056 21766603348 43533206696 87066413392 164026903801 328053807602 656107615204 1148188326607 1312215230408 2296376653214 2624430460816 4592753306428 9185506612856 18371013225712