Base | Representation |
---|---|
bin | 1000010110101010101011… |
… | …01101111010110011110000 |
3 | 2102001020210111110022200121 |
4 | 10023111111231322303300 |
5 | 4401442313341210322 |
6 | 103023305454100024 |
7 | 3604155555632530 |
oct | 413252555726360 |
9 | 72036714408617 |
10 | 18371013225712 |
11 | 5943115042044 |
12 | 20885131aa614 |
13 | a334c0bb3964 |
14 | 477239d174c0 |
15 | 21cd13abcec7 |
hex | 10b555b7acf0 |
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".
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