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30221332200 = 23335238914387
BaseRepresentation
bin11100001001010101…
…001110111011101000
32220000011202202002000
4130021111032323220
5443343130112300
621514500011000
72116625041143
oct341125167350
986004682060
1030221332200
11118a9177204
125a35090a60
132b081aacb7
1416699c105a
15bbd298c00
hex70954eee8

30221332200 has 192 divisors, whose sum is σ = 104370552000. Its totient is φ = 8037745920.

The previous prime is 30221332147. The next prime is 30221332237. The reversal of 30221332200 is 223312203.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2093407 + ... + 2107793.

It is an arithmetic number, because the mean of its divisors is an integer number (543596625).

Almost surely, 230221332200 is an apocalyptic number.

30221332200 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 30221332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52185276000).

30221332200 is an abundant number, since it is smaller than the sum of its proper divisors (74149219800).

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

30221332200 is a wasteful number, since it uses less digits than its factorization.

30221332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801 (or 14786 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30221332200 its reverse (223312203), we get a palindrome (30444644403).

The spelling of 30221332200 in words is "thirty billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred".