6500120030 has 64 divisors (see below), whose sum is σ = 12234680640. Its totient is φ = 2483410944.

The previous prime is 6500120027. The next prime is 6500120071. The reversal of 6500120030 is 300210056.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6500119990 and 6500120008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19288022 + ... + 19288358.

It is an arithmetic number, because the mean of its divisors is an integer number (191166885).

Almost surely, 2^6500120030 is an apocalyptic number.

6500120030 is a deficient number, since it is larger than the sum of its proper divisors (5734560610).

6500120030 is a wasteful number, since it uses less digits than its factorization.

6500120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 6500120030 is about 80623.3218740086. The cubic root of 6500120030 is about 1866.2670658588.

Adding to 6500120030 its reverse (300210056), we get a palindrome (6800330086).

The spelling of 6500120030 in words is "six billion, five hundred million, one hundred twenty thousand, thirty".