Base | Representation |
---|---|
bin | 1000010100111010100010… |
… | …00010010011001101100000 |
3 | 2101211111101111022200110000 |
4 | 10022131101002103031200 |
5 | 4400001012103442240 |
6 | 102535511233540000 |
7 | 3566624551434060 |
oct | 412352102231540 |
9 | 71744344280400 |
10 | 18310805140320 |
11 | 591a62915a390 |
12 | 207890b714600 |
13 | a2a9172cb224 |
14 | 4743679793a0 |
15 | 21b48ce65430 |
hex | 10a751093360 |
18310805140320 has 960 divisors, whose sum is σ = 82087922036736. Its totient is φ = 3733042360320.
The previous prime is 18310805140249. The next prime is 18310805140333. The reversal of 18310805140320 is 2304150801381.
18310805140320 is a `hidden beast` number, since 1 + 8 + 3 + 108 + 0 + 514 + 0 + 32 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 52716657 + ... + 53062863.
Almost surely, 218310805140320 is an apocalyptic number.
18310805140320 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 18310805140320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41043961018368).
18310805140320 is an abundant number, since it is smaller than the sum of its proper divisors (63777116896416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18310805140320 is a wasteful number, since it uses less digits than its factorization.
18310805140320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 346305 (or 346288 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The spelling of 18310805140320 in words is "eighteen trillion, three hundred ten billion, eight hundred five million, one hundred forty thousand, three hundred twenty".
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