30000506512 has 10 divisors (see below), whose sum is σ = 58125981398. Its totient is φ = 15000253248.

The previous prime is 30000506491. The next prime is 30000506533. The reversal of 30000506512 is 21560500003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30000506491) and next prime (30000506533).

It can be written as a sum of positive squares in only one way, i.e., 26275113216 + 3725393296 = 162096^2 + 61036^2 .

It is a super-2 number, since 2×30000506512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937515813 + ... + 937515844.

Almost surely, 2^30000506512 is an apocalyptic number.

It is an amenable number.

30000506512 is a deficient number, since it is larger than the sum of its proper divisors (28125474886).

30000506512 is a wasteful number, since it uses less digits than its factorization.

30000506512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875031665 (or 1875031659 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 30000506512 in words is "thirty billion, five hundred six thousand, five hundred twelve".