30502805003028 has 18 divisors (see below), whose sum is σ = 77104312646634. Its totient is φ = 10167601667664.

The previous prime is 30502805003009. The next prime is 30502805003039. The reversal of 30502805003028 is 82030050820503.

30502805003028 is a `hidden beast` number, since 3 + 0 + 50 + 2 + 80 + 500 + 3 + 0 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22728979970064 + 7773825032964 = 4767492^2 + 2788158^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×30502805003028² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 847300138973 = 30502805003028 / (3 + 0 + 5 + 0 + 2 + 8 + 0 + 5 + 0 + 0 + 3 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 30502805002983 and 30502805003001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423650069451 + ... + 423650069522.

It is an arithmetic number, because the mean of its divisors is an integer number (4283572924813).

Almost surely, 2^{30502805003028} is an apocalyptic number.

It is an amenable number.

30502805003028 is an abundant number, since it is smaller than the sum of its proper divisors (46601507643606).

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

30502805003028 is a wasteful number, since it uses less digits than its factorization.

30502805003028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847300138983 (or 847300138978 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 30502805003028 in words is "thirty trillion, five hundred two billion, eight hundred five million, three thousand, twenty-eight".