Base | Representation |
---|---|
bin | 1100000111000111… |
… | …0101000011010000 |
3 | 22101120110012211022 |
4 | 3001301311003100 |
5 | 23124233040130 |
6 | 1254333335012 |
7 | 143364411506 |
oct | 30161650320 |
9 | 8346405738 |
10 | 3251065040 |
11 | 1419161313 |
12 | 768937468 |
13 | 3ca70a932 |
14 | 22babc676 |
15 | 1406387e5 |
hex | c1c750d0 |
3251065040 has 60 divisors (see below), whose sum is σ = 8029569036. Its totient is φ = 1223921664.
The previous prime is 3251065033. The next prime is 3251065043. The reversal of 3251065040 is 405601523.
It can be written as a sum of positive squares in 6 ways, for example, as 113720896 + 3137344144 = 10664^2 + 56012^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3251065043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47189 + ... + 93428.
Almost surely, 23251065040 is an apocalyptic number.
It is an amenable number.
3251065040 is an abundant number, since it is smaller than the sum of its proper divisors (4778503996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3251065040 is a wasteful number, since it uses less digits than its factorization.
3251065040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140664 (or 140641 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 3251065040 is about 57018.1115085374. Note that the first 3 decimals coincide. The cubic root of 3251065040 is about 1481.4098204714.
Adding to 3251065040 its reverse (405601523), we get a palindrome (3656666563).
The spelling of 3251065040 in words is "three billion, two hundred fifty-one million, sixty-five thousand, forty".
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