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125208720000 = 27335473132
BaseRepresentation
bin111010010011100000…
…1010111001010000000
3102222012000022000002000
41310213001113022000
54022411413020000
6133304201224000
712021534363000
oct1644701271200
9388160260060
10125208720000
11491120705a1
1220324192000
13ba65364300
1460bb01a000
1533cc3da000
hex1d27057280

125208720000 has 1920 divisors, whose sum is σ = 583125840000. Its totient is φ = 26417664000.

The previous prime is 125208719963. The next prime is 125208720011. The reversal of 125208720000 is 27802521.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 9631439994 + ... + 9631440006.

It is an arithmetic number, because the mean of its divisors is an integer number (303711375).

Almost surely, 2125208720000 is an apocalyptic number.

125208720000 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 125208720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291562920000).

125208720000 is an abundant number, since it is smaller than the sum of its proper divisors (457917120000).

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

125208720000 is an frugal number, since it uses more digits than its factorization.

125208720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 125208720000 in words is "one hundred twenty-five billion, two hundred eight million, seven hundred twenty thousand".