30289472950 has 48 divisors (see below), whose sum is σ = 62238159360. Its totient is φ = 10874916000.

The previous prime is 30289472933. The next prime is 30289472977. The reversal of 30289472950 is 5927498203.

It is a junction number, because it is equal to n+sod(n) for n = 30289472894 and 30289472903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305106 + ... + 392005.

It is an arithmetic number, because the mean of its divisors is an integer number (1296628320).

Almost surely, 2^30289472950 is an apocalyptic number.

30289472950 is an abundant number, since it is smaller than the sum of its proper divisors (31948686410).

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

30289472950 is a wasteful number, since it uses less digits than its factorization.

30289472950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697213 (or 697208 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 30289472950 in words is "thirty billion, two hundred eighty-nine million, four hundred seventy-two thousand, nine hundred fifty".