Base | Representation |
---|---|
bin | 1111101111010101… |
… | …01010111101110000 |
3 | 210210220101212020210 |
4 | 13313222222331300 |
5 | 114301213010210 |
6 | 3514255304120 |
7 | 416254611633 |
oct | 76752527560 |
9 | 23726355223 |
10 | 8450125680 |
11 | 364696a547 |
12 | 1779b1b040 |
13 | a48885089 |
14 | 5a2399c1a |
15 | 346cb0e20 |
hex | 1f7aaaf70 |
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".
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