Base | Representation |
---|---|
bin | 1111010100010101… |
… | …10011000010101100 |
3 | 210020010021112110010 |
4 | 13222022303002230 |
5 | 113320224310343 |
6 | 3440005413220 |
7 | 410535003432 |
oct | 75212630254 |
9 | 23203245403 |
10 | 8223666348 |
11 | 3540055277 |
12 | 171610a210 |
13 | a10995581 |
14 | 58028ad52 |
15 | 331e7bd33 |
hex | 1ea2b30ac |
8223666348 has 48 divisors (see below), whose sum is σ = 20027510496. Its totient is φ = 2623895040.
The previous prime is 8223666331. The next prime is 8223666359. The reversal of 8223666348 is 8436663228.
It is a junction number, because it is equal to n+sod(n) for n = 8223666297 and 8223666306.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131611 + ... + 183762.
It is an arithmetic number, because the mean of its divisors is an integer number (417239802).
Almost surely, 28223666348 is an apocalyptic number.
It is an amenable number.
8223666348 is an abundant number, since it is smaller than the sum of its proper divisors (11803844148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8223666348 is a wasteful number, since it uses less digits than its factorization.
8223666348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315474 (or 315472 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 48.
The square root of 8223666348 is about 90684.4327765245. The cubic root of 8223666348 is about 2018.4678074908.
The spelling of 8223666348 in words is "eight billion, two hundred twenty-three million, six hundred sixty-six thousand, three hundred forty-eight".
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