Base | Representation |
---|---|
bin | 111111111001001… |
… | …001101010000000 |
3 | 2202201001111222100 |
4 | 333321021222000 |
5 | 4143404240433 |
6 | 254211310400 |
7 | 35364252033 |
oct | 7771115200 |
9 | 2681044870 |
10 | 1071946368 |
11 | 5000a4199 |
12 | 25abab400 |
13 | 14110a8bc |
14 | a251901a |
15 | 64193b13 |
hex | 3fe49a80 |
1071946368 has 48 divisors (see below), whose sum is σ = 3084640650. Its totient is φ = 357315072.
The previous prime is 1071946367. The next prime is 1071946387. The reversal of 1071946368 is 8636491701.
It is a happy number.
1071946368 is a `hidden beast` number, since 1 + 0 + 7 + 1 + 9 + 4 + 636 + 8 = 666.
1071946368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 1070074944 + 1871424 = 32712^2 + 1368^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×10719463682 = 2298138031736782848, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1071946361) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464103 + ... + 466406.
Almost surely, 21071946368 is an apocalyptic number.
1071946368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1071946368 is an abundant number, since it is smaller than the sum of its proper divisors (2012694282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1071946368 is an equidigital number, since it uses as much as digits as its factorization.
1071946368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 930529 (or 930514 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 1071946368 is about 32740.5920532907. The cubic root of 1071946368 is about 1023.4289214811.
The spelling of 1071946368 in words is "one billion, seventy-one million, nine hundred forty-six thousand, three hundred sixty-eight".
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