18030010100 has 72 divisors (see below), whose sum is σ = 41228090400. Its totient is φ = 6825168000.

The previous prime is 18030010091. The next prime is 18030010151. The reversal of 18030010100 is 101003081.

It is a super-2 number, since 2×18030010100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1992386 + ... + 2001414.

Almost surely, 2^18030010100 is an apocalyptic number.

18030010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18030010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20614045200).

18030010100 is an abundant number, since it is smaller than the sum of its proper divisors (23198080300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18030010100 is a wasteful number, since it uses less digits than its factorization.

18030010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113 (or 10106 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 18030010100 its reverse (101003081), we get a palindrome (18131013181).

The spelling of 18030010100 in words is "eighteen billion, thirty million, ten thousand, one hundred".