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18340300800 = 211335213267
BaseRepresentation
bin10001000101001010…
…101100100000000000
31202100011111210222000
4101011022230200000
5300030104111200
612231520144000
71216326661503
oct210512544000
952304453860
1018340300800
117861692498
12367a168000
13196389bac3
14c5dad113a
157251c8300
hex4452ac800

18340300800 has 288 divisors, whose sum is σ = 67372250400. Its totient is φ = 4890378240.

The previous prime is 18340300793. The next prime is 18340300807. The reversal of 18340300800 is 800304381.

18340300800 is a `hidden beast` number, since 18 + 340 + 300 + 8 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (18340300793) and next prime (18340300807).

It is a tau number, because it is divible by the number of its divisors (288).

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

It is not an unprimeable number, because it can be changed into a prime (18340300807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375767 + ... + 1389033.

It is an arithmetic number, because the mean of its divisors is an integer number (233931425).

Almost surely, 218340300800 is an apocalyptic number.

18340300800 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 18340300800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33686125200).

18340300800 is an abundant number, since it is smaller than the sum of its proper divisors (49031949600).

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

18340300800 is a wasteful number, since it uses less digits than its factorization.

18340300800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13308 (or 13277 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 18340300800 in words is "eighteen billion, three hundred forty million, three hundred thousand, eight hundred".