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8450125680 = 243535208857
BaseRepresentation
bin1111101111010101…
…01010111101110000
3210210220101212020210
413313222222331300
5114301213010210
63514255304120
7416254611633
oct76752527560
923726355223
108450125680
11364696a547
121779b1b040
13a48885089
145a2399c1a
15346cb0e20
hex1f7aaaf70

8450125680 has 40 divisors (see below), whose sum is σ = 26195390352. Its totient is φ = 2253366784.

The previous prime is 8450125643. The next prime is 8450125703. The reversal of 8450125680 is 865210548.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17604189 + ... + 17604668.

Almost surely, 28450125680 is an apocalyptic number.

8450125680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8450125680 is an abundant number, since it is smaller than the sum of its proper divisors (17745264672).

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

8450125680 is a wasteful number, since it uses less digits than its factorization.

8450125680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35208873 (or 35208867 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 8450125680 is about 91924.5651607882. The cubic root of 8450125680 is about 2036.8281543163.

The spelling of 8450125680 in words is "eight billion, four hundred fifty million, one hundred twenty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 35208857 70417714 105626571 140835428 176044285 211253142 281670856 352088570 422506284 528132855 563341712 704177140 845012568 1056265710 1408354280 1690025136 2112531420 2816708560 4225062840 8450125680