30000002750528 has 28 divisors (see below), whose sum is σ = 59579381124972. Its totient is φ = 14987875223040.

The previous prime is 30000002750453. The next prime is 30000002750551. The reversal of 30000002750528 is 82505720000003.

It can be written as a sum of positive squares in 2 ways, for example, as 20616612464704 + 9383390285824 = 4540552^2 + 3063232^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 30000002750494 and 30000002750503.

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 3 ways as a sum of consecutive naturals, for example, 189391343 + ... + 189549678.

Almost surely, 2^{30000002750528} is an apocalyptic number.

It is an amenable number.

30000002750528 is a deficient number, since it is larger than the sum of its proper divisors (29579378374444).

30000002750528 is a wasteful number, since it uses less digits than its factorization.

30000002750528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378942270 (or 378942260 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 30000002750528 in words is "thirty trillion, two million, seven hundred fifty thousand, five hundred twenty-eight".