30053821900 has 72 divisors (see below), whose sum is σ = 68789000000. Its totient is φ = 11365634880.

The previous prime is 30053821873. The next prime is 30053821939. The reversal of 30053821900 is 912835003.

It is a happy number.

It is a super-2 number, since 2×30053821900² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932251 + ... + 963949.

Almost surely, 2^30053821900 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 30053821900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34394500000).

30053821900 is an abundant number, since it is smaller than the sum of its proper divisors (38735178100).

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

30053821900 is a wasteful number, since it uses less digits than its factorization.

30053821900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32231 (or 32224 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 30053821900 in words is "thirty billion, fifty-three million, eight hundred twenty-one thousand, nine hundred".