30172939140100 has 81 divisors (see below), whose sum is σ = 66129531978783. Its totient is φ = 11949758053440.

The previous prime is 30172939140079. The next prime is 30172939140187. The reversal of 30172939140100 is 104193927103.

The square root of 30172939140100 is 5492990.

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 9303976258564 + 20868962881536 = 3050242^2 + 4568256^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5657777034 + ... + 5657782366.

Almost surely, 2^{30172939140100} is an apocalyptic number.

30172939140100 is the 5492990-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30172939140100

30172939140100 is an abundant number, since it is smaller than the sum of its proper divisors (35956592838683).

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

30172939140100 is an frugal number, since it uses more digits than its factorization.

30172939140100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 30172939140100 in words is "thirty trillion, one hundred seventy-two billion, nine hundred thirty-nine million, one hundred forty thousand, one hundred".