Base | Representation |
---|---|
bin | 111011110111100100010… |
… | …0111111011001001001101 |
3 | 1002010121111101011100001020 |
4 | 1313233020213323021031 |
5 | 2034302402414442114 |
6 | 25255555040104353 |
7 | 1506320111253300 |
oct | 167571047731115 |
9 | 32117441140036 |
10 | 8228228280909 |
11 | 269263239a70a |
12 | b0a8290050b9 |
13 | 478bc320aa20 |
14 | 206369774b37 |
15 | e407d6e4aa9 |
hex | 77bc89fb24d |
8228228280909 has 144 divisors (see below), whose sum is σ = 14402579175936. Its totient is φ = 4137336403200.
The previous prime is 8228228280889. The next prime is 8228228280917. The reversal of 8228228280909 is 9090828228228.
It is not a de Polignac number, because 8228228280909 - 211 = 8228228278861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8228228280109) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 265917379 + ... + 265948319.
It is an arithmetic number, because the mean of its divisors is an integer number (100017910944).
Almost surely, 28228228280909 is an apocalyptic number.
It is an amenable number.
8228228280909 is a deficient number, since it is larger than the sum of its proper divisors (6174350895027).
8228228280909 is a wasteful number, since it uses less digits than its factorization.
8228228280909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31136 (or 31062 counting only the distinct ones).
The product of its (nonzero) digits is 10616832, while the sum is 60.
The spelling of 8228228280909 in words is "eight trillion, two hundred twenty-eight billion, two hundred twenty-eight million, two hundred eighty thousand, nine hundred nine".
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