Base | Representation |
---|---|
bin | 1000001100110000000111… |
… | …01100100111000110000000 |
3 | 2100211200110000202211210000 |
4 | 10012120003230213012000 |
5 | 4330402111143002340 |
6 | 102203004343440000 |
7 | 3540435334350420 |
oct | 406300354470600 |
9 | 70750400684700 |
10 | 18030334734720 |
11 | 58216929a9450 |
12 | 2032496756000 |
13 | a0a33a584649 |
14 | 46495c46c480 |
15 | 2140250a2d30 |
hex | 106603b27180 |
18030334734720 has 1280 divisors, whose sum is σ = 82868097945600. Its totient is φ = 3625681305600.
The previous prime is 18030334734653. The next prime is 18030334734799. The reversal of 18030334734720 is 2743743303081.
18030334734720 is a `hidden beast` number, since 1 + 80 + 3 + 0 + 3 + 34 + 73 + 472 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 123669226 + ... + 123814934.
It is an arithmetic number, because the mean of its divisors is an integer number (64740701520).
Almost surely, 218030334734720 is an apocalyptic number.
18030334734720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18030334734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41434048972800).
18030334734720 is an abundant number, since it is smaller than the sum of its proper divisors (64837763210880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18030334734720 is a wasteful number, since it uses less digits than its factorization.
18030334734720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145789 (or 145768 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 45.
The spelling of 18030334734720 in words is "eighteen trillion, thirty billion, three hundred thirty-four million, seven hundred thirty-four thousand, seven hundred twenty".
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