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30220012200 = 2335277991079
BaseRepresentation
bin11100001001010000…
…001100101010101000
32220000002021200101010
4130021100030222220
5443342310342300
621514411423520
72116610602560
oct341120145250
986002250333
1030220012200
11118a84554a4
125a34754ba0
132b07b38231
141669759da0
15bbd0d7a50
hex70940caa8

30220012200 has 192 divisors, whose sum is σ = 108421632000. Its totient is φ = 6819920640.

The previous prime is 30220012103. The next prime is 30220012217. The reversal of 30220012200 is 221002203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286261 + ... + 377339.

It is an arithmetic number, because the mean of its divisors is an integer number (564696000).

Almost surely, 230220012200 is an apocalyptic number.

30220012200 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 30220012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54210816000).

30220012200 is an abundant number, since it is smaller than the sum of its proper divisors (78201619800).

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

30220012200 is a wasteful number, since it uses less digits than its factorization.

30220012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91184 (or 91175 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30220012200 its reverse (221002203), we get a palindrome (30441014403).

The spelling of 30220012200 in words is "thirty billion, two hundred twenty million, twelve thousand, two hundred".