Base | Representation |
---|---|
bin | 11010011001001111100… |
… | …00010010010101101100 |
3 | 10012200212202212221001020 |
4 | 31030213300102111230 |
5 | 104324320144201113 |
6 | 1532343151014140 |
7 | 122343644615526 |
oct | 15144760222554 |
9 | 3180782787036 |
10 | 906905068908 |
11 | 31a6862a5313 |
12 | 12792080a350 |
13 | 676a02047b7 |
14 | 31c744b0a16 |
15 | 188cd843023 |
hex | d327c1256c |
906905068908 has 192 divisors, whose sum is σ = 2309644001280. Its totient is φ = 276024672000.
The previous prime is 906905068903. The next prime is 906905068919. The reversal of 906905068908 is 809860509609.
It is a super-2 number, since 2×9069050689082 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (906905068903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 327756141 + ... + 327758907.
It is an arithmetic number, because the mean of its divisors is an integer number (12029395840).
Almost surely, 2906905068908 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 906905068908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154822000640).
906905068908 is an abundant number, since it is smaller than the sum of its proper divisors (1402738932372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
906905068908 is a wasteful number, since it uses less digits than its factorization.
906905068908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3268 (or 3266 counting only the distinct ones).
The product of its (nonzero) digits is 8398080, while the sum is 60.
The spelling of 906905068908 in words is "nine hundred six billion, nine hundred five million, sixty-eight thousand, nine hundred eight".
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