Base | Representation |
---|---|
bin | 10000110010010110… |
… | …00110011011001010 |
3 | 212021002011222222220 |
4 | 20121023012123022 |
5 | 121424120244030 |
6 | 4050140154510 |
7 | 436222033623 |
oct | 103113063312 |
9 | 25232158886 |
10 | 9012274890 |
11 | 3905215573 |
12 | 18b6238a36 |
13 | b0818a448 |
14 | 616ccca4a |
15 | 37b303a10 |
hex | 2192c66ca |
9012274890 has 64 divisors (see below), whose sum is σ = 21920371200. Its totient is φ = 2371166784.
The previous prime is 9012274877. The next prime is 9012274913. The reversal of 9012274890 is 984722109.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673081 + ... + 686339.
It is an arithmetic number, because the mean of its divisors is an integer number (342505800).
Almost surely, 29012274890 is an apocalyptic number.
9012274890 is an abundant number, since it is smaller than the sum of its proper divisors (12908096310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9012274890 is a wasteful number, since it uses less digits than its factorization.
9012274890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13571.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 9012274890 is about 94933.0021120158. The cubic root of 9012274890 is about 2081.0290527202.
Adding to 9012274890 its reverse (984722109), we get a palindrome (9996996999).
The spelling of 9012274890 in words is "nine billion, twelve million, two hundred seventy-four thousand, eight hundred ninety".
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