Base | Representation |
---|---|
bin | 101010110110111… |
… | …0001101111010000 |
3 | 10201012222012100122 |
4 | 1111231301233100 |
5 | 10421121013233 |
6 | 354410405412 |
7 | 50431224104 |
oct | 12555615720 |
9 | 3635865318 |
10 | 1438063568 |
11 | 678827497 |
12 | 341730868 |
13 | 19bc17ab6 |
14 | d8dbd904 |
15 | 863b2d98 |
hex | 55b71bd0 |
1438063568 has 10 divisors (see below), whose sum is σ = 2786248194. Its totient is φ = 719031776.
The previous prime is 1438063567. The next prime is 1438063597. The reversal of 1438063568 is 8653608341.
It can be written as a sum of positive squares in only one way, i.e., 1426421824 + 11641744 = 37768^2 + 3412^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1438063567) by changing a digit.
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 as a sum of consecutive naturals, namely, 44939471 + ... + 44939502.
Almost surely, 21438063568 is an apocalyptic number.
It is an amenable number.
1438063568 is a deficient number, since it is larger than the sum of its proper divisors (1348184626).
1438063568 is an equidigital number, since it uses as much as digits as its factorization.
1438063568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89878981 (or 89878975 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 44.
The square root of 1438063568 is about 37921.8086066580. The cubic root of 1438063568 is about 1128.7368264040.
The spelling of 1438063568 in words is "one billion, four hundred thirty-eight million, sixty-three thousand, five hundred sixty-eight".
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