195208680324100 has 81 divisors (see below), whose sum is σ = 425191078631487. Its totient is φ = 77791798711680.

The previous prime is 195208680324071. The next prime is 195208680324101. The reversal of 195208680324100 is 1423086802591.

The square root of 195208680324100 is 13971710.

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 8277002412484 + 186931677911616 = 2876978^2 + 13672296^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195208680324101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 39539936832 + ... + 39539941768.

Almost surely, 2^{195208680324100} is an apocalyptic number.

195208680324100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195208680324100 is the 13971710-th square number.

It is an amenable number.

195208680324100 is an abundant number, since it is smaller than the sum of its proper divisors (229982398307387).

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

195208680324100 is an frugal number, since it uses more digits than its factorization.

195208680324100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10454 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 195208680324100 in words is "one hundred ninety-five trillion, two hundred eight billion, six hundred eighty million, three hundred twenty-four thousand, one hundred".