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125025152500 = 225450010061
BaseRepresentation
bin111010001110000010…
…1000110110111110100
3102221201012212210210201
41310130011012313310
54022022414340000
6133234042530244
712014145155533
oct1643405066764
9387635783721
10125025152500
1149028491616
1220292806984
13ba363116a1
1460a08b431a
1533bb22996a
hex1d1c146df4

125025152500 has 30 divisors (see below), whose sum is σ = 273405008954. Its totient is φ = 50010060000.

The previous prime is 125025152489. The next prime is 125025152503. The reversal of 125025152500 is 5251520521.

It can be written as a sum of positive squares in 5 ways, for example, as 96003304336 + 29021848164 = 309844^2 + 170358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125025152503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25002531 + ... + 25007530.

Almost surely, 2125025152500 is an apocalyptic number.

125025152500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125025152500 is an abundant number, since it is smaller than the sum of its proper divisors (148379856454).

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

125025152500 is an equidigital number, since it uses as much as digits as its factorization.

125025152500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010085 (or 50010068 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 125025152500 in words is "one hundred twenty-five billion, twenty-five million, one hundred fifty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 50010061 100020122 200040244 250050305 500100610 1000201220 1250251525 2500503050 5001006100 6251257625 12502515250 25005030500 31256288125 62512576250 125025152500