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125981067625 = 537143978363
BaseRepresentation
bin111010101010100001…
…1101000100101101001
3110001011211121022211121
41311111003220211221
54031002123131000
6133512551255241
712046633256230
oct1652503504551
9401154538747
10125981067625
1149479034816
12204ba97a521
13bb5938493a
146151827b17
1534250edb1a
hex1d550e8969

125981067625 has 16 divisors (see below), whose sum is σ = 179684998272. Its totient is φ = 86387017200.

The previous prime is 125981067593. The next prime is 125981067631. The reversal of 125981067625 is 526760189521.

It is a happy number.

It is not a de Polignac number, because 125981067625 - 25 = 125981067593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71988307 + ... + 71990056.

It is an arithmetic number, because the mean of its divisors is an integer number (11230312392).

Almost surely, 2125981067625 is an apocalyptic number.

It is an amenable number.

125981067625 is a deficient number, since it is larger than the sum of its proper divisors (53703930647).

125981067625 is an equidigital number, since it uses as much as digits as its factorization.

125981067625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143978385 (or 143978375 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 125981067625 in words is "one hundred twenty-five billion, nine hundred eighty-one million, sixty-seven thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 143978363 719891815 1007848541 3599459075 5039242705 17997295375 25196213525 125981067625