30000000273 has 16 divisors (see below), whose sum is σ = 40820690880. Its totient is φ = 19590876864.

The previous prime is 30000000253. The next prime is 30000000287. The reversal of 30000000273 is 37200000003.

It is not a de Polignac number, because 30000000273 - 2¹³ = 29999992081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30000000253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53986 + ... + 250827.

It is an arithmetic number, because the mean of its divisors is an integer number (2551293180).

Almost surely, 2^30000000273 is an apocalyptic number.

It is an amenable number.

30000000273 is a deficient number, since it is larger than the sum of its proper divisors (10820690607).

30000000273 is a wasteful number, since it uses less digits than its factorization.

30000000273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305488.

The product of its (nonzero) digits is 126, while the sum is 15.

Adding to 30000000273 its reverse (37200000003), we get a palindrome (67200000276).

The spelling of 30000000273 in words is "thirty billion, two hundred seventy-three", and thus it is an aban number.