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30330132220 = 2251516506611
BaseRepresentation
bin11100001111110100…
…010001011011111100
32220021202111100122101
4130033310101123330
5444104003212340
621533343554444
72122415604313
oct341764213374
986252440571
1030330132220
1111954629283
125a655bba24
132b248b30cb
14167a22327a
15bc7adac9a
hex70fd116fc

30330132220 has 12 divisors (see below), whose sum is σ = 63693277704. Its totient is φ = 12132052880.

The previous prime is 30330132181. The next prime is 30330132221. The reversal of 30330132220 is 2223103303.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30330132221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758253286 + ... + 758253325.

It is an arithmetic number, because the mean of its divisors is an integer number (5307773142).

Almost surely, 230330132220 is an apocalyptic number.

It is an amenable number.

30330132220 is an abundant number, since it is smaller than the sum of its proper divisors (33363145484).

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

30330132220 is a wasteful number, since it uses less digits than its factorization.

30330132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516506620 (or 1516506618 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30330132220 its reverse (2223103303), we get a palindrome (32553235523).

The spelling of 30330132220 in words is "thirty billion, three hundred thirty million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1516506611 3033013222 6066026444 7582533055 15165066110 30330132220