30000505278050 has 24 divisors (see below), whose sum is σ = 55801132165632. Its totient is φ = 12000160746000.

The previous prime is 30000505278049. The next prime is 30000505278059. The reversal of 30000505278050 is 5087250500003.

It is a self number, because there is not a number n which added to its sum of digits gives 30000505278050.

It is not an unprimeable number, because it can be changed into a prime (30000505278059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16589915 + ... + 18309185.

It is an arithmetic number, because the mean of its divisors is an integer number (2325047173568).

Almost surely, 2^{30000505278050} is an apocalyptic number.

30000505278050 is a deficient number, since it is larger than the sum of its proper divisors (25800626887582).

30000505278050 is a wasteful number, since it uses less digits than its factorization.

30000505278050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068274 (or 2068269 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

Adding to 30000505278050 its reverse (5087250500003), we get a palindrome (35087755778053).

The spelling of 30000505278050 in words is "thirty trillion, five hundred five million, two hundred seventy-eight thousand, fifty".