2150428100 has 36 divisors (see below), whose sum is σ = 4669000644. Its totient is φ = 859697280.

The previous prime is 2150428099. The next prime is 2150428103. The reversal of 2150428100 is 18240512.

It can be written as a sum of positive squares in 6 ways, for example, as 293162884 + 1857265216 = 17122^2 + 43096^2 .

It is a super-2 number, since 2×2150428100² = 9248682026539220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2150428103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218894 + ... + 228506.

Almost surely, 2^2150428100 is an apocalyptic number.

2150428100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150428100 is an abundant number, since it is smaller than the sum of its proper divisors (2518572544).

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

2150428100 is a wasteful number, since it uses less digits than its factorization.

2150428100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864 (or 11857 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2150428100 is about 46372.7085687261. The cubic root of 2150428100 is about 1290.7485389857.

Adding to 2150428100 its reverse (18240512), we get a palindrome (2168668612).

The spelling of 2150428100 in words is "two billion, one hundred fifty million, four hundred twenty-eight thousand, one hundred".