30451152500 has 30 divisors (see below), whose sum is σ = 66590585754. Its totient is φ = 12180460000.

The previous prime is 30451152449. The next prime is 30451152521. The reversal of 30451152500 is 525115403.

It can be written as a sum of positive squares in 5 ways, for example, as 2477251984 + 27973900516 = 49772^2 + 167254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30451152500.

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 9 ways as a sum of consecutive naturals, for example, 6087731 + ... + 6092730.

Almost surely, 2^30451152500 is an apocalyptic number.

It is an amenable number.

30451152500 is an abundant number, since it is smaller than the sum of its proper divisors (36139433254).

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

30451152500 is a wasteful number, since it uses less digits than its factorization.

30451152500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12180485 (or 12180468 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 30451152500 its reverse (525115403), we get a palindrome (30976267903).

The spelling of 30451152500 in words is "thirty billion, four hundred fifty-one million, one hundred fifty-two thousand, five hundred".