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30330242220 = 2235505504037
BaseRepresentation
bin11100001111110100…
…101100010010101100
32220021202200221112110
4130033310230102230
5444104020222340
621533350204020
72122416543105
oct341764542254
986252627473
1030330242220
11119546a3993
125a65653610
132b249211b5
14167a2513ac
15bc7b0d680
hex70fd2c4ac

30330242220 has 24 divisors (see below), whose sum is σ = 84924678384. Its totient is φ = 8088064576.

The previous prime is 30330242207. The next prime is 30330242221. The reversal of 30330242220 is 2224203303.

It is not an unprimeable number, because it can be changed into a prime (30330242221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252751959 + ... + 252752078.

It is an arithmetic number, because the mean of its divisors is an integer number (3538528266).

Almost surely, 230330242220 is an apocalyptic number.

30330242220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30330242220 is an abundant number, since it is smaller than the sum of its proper divisors (54594436164).

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

30330242220 is a wasteful number, since it uses less digits than its factorization.

30330242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505504049 (or 505504047 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30330242220 its reverse (2224203303), we get a palindrome (32554445523).

The spelling of 30330242220 in words is "thirty billion, three hundred thirty million, two hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 505504037 1011008074 1516512111 2022016148 2527520185 3033024222 5055040370 6066048444 7582560555 10110080740 15165121110 30330242220