30890026730 has 8 divisors (see below), whose sum is σ = 55602048132. Its totient is φ = 12356010688.

The previous prime is 30890026709. The next prime is 30890026733. The reversal of 30890026730 is 3762009803.

It can be written as a sum of positive squares in 2 ways, for example, as 27714591529 + 3175435201 = 166477^2 + 56351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30890026730² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30890026733) 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 in 3 ways as a sum of consecutive naturals, for example, 1544501327 + ... + 1544501346.

Almost surely, 2^30890026730 is an apocalyptic number.

30890026730 is a deficient number, since it is larger than the sum of its proper divisors (24712021402).

30890026730 is a wasteful number, since it uses less digits than its factorization.

30890026730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089002680.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 30890026730 in words is "thirty billion, eight hundred ninety million, twenty-six thousand, seven hundred thirty".