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125328107520 = 2113357211292
BaseRepresentation
bin111010010111000100…
…0110010100000000000
3102222111022221111222000
41310232020302200000
54023132443420040
6133324104144000
712024514223400
oct1645610624000
9388438844860
10125328107520
11491734a4170
1220358168000
13ba84005505
1460ccc16800
1533d7b1e130
hex1d2e232800

125328107520 has 1728 divisors, whose sum is σ = 585516859200. Its totient is φ = 25144197120.

The previous prime is 125328107507. The next prime is 125328107521. The reversal of 125328107520 is 25701823521.

125328107520 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 28 + 107 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125328107521) 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 143 ways as a sum of consecutive naturals, for example, 4321658866 + ... + 4321658894.

It is an arithmetic number, because the mean of its divisors is an integer number (338840775).

Almost surely, 2125328107520 is an apocalyptic number.

125328107520 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 125328107520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292758429600).

125328107520 is an abundant number, since it is smaller than the sum of its proper divisors (460188751680).

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

125328107520 is a wasteful number, since it uses less digits than its factorization.

125328107520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 125328107520 in words is "one hundred twenty-five billion, three hundred twenty-eight million, one hundred seven thousand, five hundred twenty".