Base | Representation |
---|---|
bin | 100111011111001… |
… | …1110010110010000 |
3 | 10102100012222102001 |
4 | 1032332132112100 |
5 | 10203200000310 |
6 | 335251203344 |
7 | 44556212665 |
oct | 11676362620 |
9 | 3370188361 |
10 | 1325000080 |
11 | 61aa23198 |
12 | 30b8a6554 |
13 | 18167c221 |
14 | c7d8ba6c |
15 | 7b4cc93a |
hex | 4ef9e590 |
1325000080 has 40 divisors (see below), whose sum is σ = 3098464632. Its totient is φ = 526930944.
The previous prime is 1325000071. The next prime is 1325000099. The reversal of 1325000080 is 800005231.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 816587776 + 508412304 = 28576^2 + 22548^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34029 + ... + 61708.
Almost surely, 21325000080 is an apocalyptic number.
1325000080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1325000080 is an abundant number, since it is smaller than the sum of its proper divisors (1773464552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1325000080 is a wasteful number, since it uses less digits than its factorization.
1325000080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95923 (or 95917 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 1325000080 is about 36400.5505452871. The cubic root of 1325000080 is about 1098.3446396189.
The spelling of 1325000080 in words is "one billion, three hundred twenty-five million, eighty", and thus it is an aban number.
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