43052100100 has 27 divisors (see below), whose sum is σ = 93427559967. Its totient is φ = 17220010080.

The previous prime is 43052100089. The next prime is 43052100127. The reversal of 43052100100 is 100125034.

The square root of 43052100100 is 207490.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20441564676 + 22610535424 = 142974^2 + 150368^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 2064526 + ... + 2085274.

Almost surely, 2^43052100100 is an apocalyptic number.

43052100100 is the 207490-th square number.

It is an amenable number.

43052100100 is an abundant number, since it is smaller than the sum of its proper divisors (50375459867).

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

43052100100 is an frugal number, since it uses more digits than its factorization.

43052100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41512 (or 20756 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Multiplying 43052100100 by its sum of digits (16), we get a square (688833601600 = 829960²).

Adding to 43052100100 its reverse (100125034), we get a palindrome (43152225134).

The spelling of 43052100100 in words is "forty-three billion, fifty-two million, one hundred thousand, one hundred".