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30303002340 = 22345131975731
BaseRepresentation
bin11100001110001100…
…110001111011100100
32220012212110000110000
4130032030301323210
5444030032033330
621530534301300
72121636161412
oct341614617344
986185400400
1030303002340
1111940289196
125a584b7830
132b1c0a4620
1416767a02b2
15bc552c560
hex70e331ee4

30303002340 has 240 divisors, whose sum is σ = 107763606720. Its totient is φ = 7066517760.

The previous prime is 30303002311. The next prime is 30303002341. The reversal of 30303002340 is 4320030303.

30303002340 is a `hidden beast` number, since 303 + 0 + 300 + 23 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30303002341) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 362275 + ... + 438005.

It is an arithmetic number, because the mean of its divisors is an integer number (449015028).

Almost surely, 230303002340 is an apocalyptic number.

30303002340 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 30303002340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53881803360).

30303002340 is an abundant number, since it is smaller than the sum of its proper divisors (77460604380).

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

30303002340 is a wasteful number, since it uses less digits than its factorization.

30303002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75784 (or 75773 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 30303002340 its reverse (4320030303), we get a palindrome (34623032643).

The spelling of 30303002340 in words is "thirty billion, three hundred three million, two thousand, three hundred forty".