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185730300000 = 253355731317
BaseRepresentation
bin1010110011111001100…
…0110111100001100000
3122202101212022211002000
42230332120313201200
511020333424100000
6221153500524000
716263366334050
oct2547630674140
9582355284060
10185730300000
1171849a04403
122bbb4850600
131468bb90bcb
148dbcc81560
154c7081a000
hex2b3e637860

185730300000 has 1152 divisors, whose sum is σ = 801308712960. Its totient is φ = 40953600000.

The previous prime is 185730299981. The next prime is 185730300011. The reversal of 185730300000 is 3037581.

185730300000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 585899842 + ... + 585900158.

It is an arithmetic number, because the mean of its divisors is an integer number (695580480).

Almost surely, 2185730300000 is an apocalyptic number.

185730300000 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 185730300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400654356480).

185730300000 is an abundant number, since it is smaller than the sum of its proper divisors (615578412960).

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

185730300000 is an equidigital number, since it uses as much as digits as its factorization.

185730300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 185730300000 its reverse (3037581), we get a palindrome (185733337581).

The spelling of 185730300000 in words is "one hundred eighty-five billion, seven hundred thirty million, three hundred thousand".