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30386170188000 = 25325311297183449
BaseRepresentation
bin1101110100010110101001…
…11000010101000011100000
310222120220000110000212221200
412322023110320111003200
512440321334032004000
6144343114110321200
76254220424002504
oct672132470250340
9128526013025850
1030386170188000
11975577a9a5a60
1234a9062ab9200
1313c55327b8483
147709ac8d8304
1537a6324aa500
hex1ba2d4e150e0

30386170188000 has 2304 divisors, whose sum is σ = 125180100864000. Its totient is φ = 6912245760000.

The previous prime is 30386170187987. The next prime is 30386170188007. The reversal of 30386170188000 is 88107168303.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30386170188007) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 67675211776 + ... + 67675212224.

It is an arithmetic number, because the mean of its divisors is an integer number (54331641000).

Almost surely, 230386170188000 is an apocalyptic number.

30386170188000 is a gapful number since it is divisible by the number (30) 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 30386170188000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62590050432000).

30386170188000 is an abundant number, since it is smaller than the sum of its proper divisors (94793930676000).

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

30386170188000 is a wasteful number, since it uses less digits than its factorization.

30386170188000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 30386170188000 in words is "thirty trillion, three hundred eighty-six billion, one hundred seventy million, one hundred eighty-eight thousand".