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30333103220 = 2257216665023
BaseRepresentation
bin11100001111111111…
…100110110001110100
32220021222002022002102
4130033333212301310
5444110233300340
621533531401232
72122453060160
oct341777466164
986258068072
1030333103220
1111956278452
125a665b3218
132b253b34b4
14167a797ca0
15bc7ec6215
hex70ffe6c74

30333103220 has 24 divisors (see below), whose sum is σ = 72799448064. Its totient is φ = 10399921056.

The previous prime is 30333103217. The next prime is 30333103279. The reversal of 30333103220 is 2230133303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30333103192 and 30333103201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108332372 + ... + 108332651.

It is an arithmetic number, because the mean of its divisors is an integer number (3033310336).

Almost surely, 230333103220 is an apocalyptic number.

It is an amenable number.

30333103220 is an abundant number, since it is smaller than the sum of its proper divisors (42466344844).

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

30333103220 is a wasteful number, since it uses less digits than its factorization.

30333103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216665039 (or 216665037 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30333103220 its reverse (2230133303), we get a palindrome (32563236523).

The spelling of 30333103220 in words is "thirty billion, three hundred thirty-three million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 216665023 433330046 866660092 1083325115 1516655161 2166650230 3033310322 4333300460 6066620644 7583275805 15166551610 30333103220