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30013022200 = 2352729977621
BaseRepresentation
bin11011111100111010…
…100101111111111000
32212110122210111110211
4123330322211333320
5442431313202300
621442055120504
72111515323310
oct337472457770
985418714424
1030013022200
1111801628887
125997373134
132aa3ca4445
14164a078440
15ba9d4c4ba
hex6fcea5ff8

30013022200 has 192 divisors, whose sum is σ = 83360289600. Its totient is φ = 9831628800.

The previous prime is 30013022183. The next prime is 30013022209. The reversal of 30013022200 is 222031003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013022209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3934390 + ... + 3942010.

It is an arithmetic number, because the mean of its divisors is an integer number (434168175).

Almost surely, 230013022200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30013022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41680144800).

30013022200 is an abundant number, since it is smaller than the sum of its proper divisors (53347267400).

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

30013022200 is a wasteful number, since it uses less digits than its factorization.

30013022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770 (or 7761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30013022200 its reverse (222031003), we get a palindrome (30235053203).

The spelling of 30013022200 in words is "thirty billion, thirteen million, twenty-two thousand, two hundred".