30151402472 has 8 divisors (see below), whose sum is σ = 56533879650. Its totient is φ = 15075701232.

The previous prime is 30151402471. The next prime is 30151402531. The reversal of 30151402472 is 27420415103.

It can be written as a sum of positive squares in only one way, i.e., 21201107236 + 8950295236 = 145606^2 + 94606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30151402471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884462647 + ... + 1884462662.

Almost surely, 2^30151402472 is an apocalyptic number.

It is an amenable number.

30151402472 is a deficient number, since it is larger than the sum of its proper divisors (26382477178).

30151402472 is a wasteful number, since it uses less digits than its factorization.

30151402472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768925315 (or 3768925311 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 30151402472 its reverse (27420415103), we get a palindrome (57571817575).

The spelling of 30151402472 in words is "thirty billion, one hundred fifty-one million, four hundred two thousand, four hundred seventy-two".