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125081185308 = 22310423432109
BaseRepresentation
bin111010001111101101…
…0110110110000011100
3102221212010022120100220
41310133122312300130
54022131240412213
6133243403521340
712015425350512
oct1643732666034
9387763276326
10125081185308
1149057082922
12202a9529250
13ba44acc9b1
1460a80dc4b2
1533c10e6e23
hex1d1f6b6c1c

125081185308 has 12 divisors (see below), whose sum is σ = 291856099080. Its totient is φ = 41693728432.

The previous prime is 125081185303. The next prime is 125081185319. The reversal of 125081185308 is 803581180521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 125081185308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125081185303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211716043 + ... + 5211716066.

It is an arithmetic number, because the mean of its divisors is an integer number (24321341590).

Almost surely, 2125081185308 is an apocalyptic number.

It is an amenable number.

125081185308 is an abundant number, since it is smaller than the sum of its proper divisors (166774913772).

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

125081185308 is a wasteful number, since it uses less digits than its factorization.

125081185308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423432116 (or 10423432114 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 42.

The spelling of 125081185308 in words is "one hundred twenty-five billion, eighty-one million, one hundred eighty-five thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 10423432109 20846864218 31270296327 41693728436 62540592654 125081185308