Base | Representation |
---|---|
bin | 10000111011100111… |
… | …00110011011011110 |
3 | 212110111102212122010 |
4 | 20131303212123132 |
5 | 122104020004411 |
6 | 4101554132050 |
7 | 441154505331 |
oct | 103563463336 |
9 | 25414385563 |
10 | 9090000606 |
11 | 3945082aa5 |
12 | 1918281026 |
13 | b1b3025ab |
14 | 623362618 |
15 | 3830587a6 |
hex | 21dce66de |
9090000606 has 64 divisors (see below), whose sum is σ = 20067803136. Its totient is φ = 2732352000.
The previous prime is 9090000559. The next prime is 9090000607. The reversal of 9090000606 is 6060000909.
It is a super-2 number, since 2×90900006062 (a number of 21 digits) contains 22 as substring.
9090000606 is a strobogrammatic number because it is the same when read upside-down.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9090000607) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305131 + ... + 333593.
It is an arithmetic number, because the mean of its divisors is an integer number (313559424).
Almost surely, 29090000606 is an apocalyptic number.
9090000606 is an abundant number, since it is smaller than the sum of its proper divisors (10977802530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9090000606 is a wasteful number, since it uses less digits than its factorization.
9090000606 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28617.
The product of its (nonzero) digits is 2916, while the sum is 30.
The square root of 9090000606 is about 95341.4946704739. The cubic root of 9090000606 is about 2086.9944976810.
The spelling of 9090000606 in words is "nine billion, ninety million, six hundred six", and thus it is an aban number.
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