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18147143300 = 2252111359137157
BaseRepresentation
bin10000111001101001…
…110110111010000100
31201211201001101200112
4100321221312322010
5244131132041200
612200420132152
71211463113216
oct207151667204
951751041615
1018147143300
1177726533a0
123625537058
13193286c120
14c421b05b6
15713271535
hex439a76e84

18147143300 has 288 divisors, whose sum is σ = 47693197440. Its totient is φ = 5906534400.

The previous prime is 18147143297. The next prime is 18147143393. The reversal of 18147143300 is 334174181.

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 95 ways as a sum of consecutive naturals, for example, 115586822 + ... + 115586978.

It is an arithmetic number, because the mean of its divisors is an integer number (165601380).

Almost surely, 218147143300 is an apocalyptic number.

18147143300 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 18147143300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23846598720).

18147143300 is an abundant number, since it is smaller than the sum of its proper divisors (29546054140).

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

18147143300 is a wasteful number, since it uses less digits than its factorization.

18147143300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 18147143300 in words is "eighteen billion, one hundred forty-seven million, one hundred forty-three thousand, three hundred".