Base | Representation |
---|---|
bin | 111110101111001… |
… | …0101101101001101 |
3 | 12102201010102111100 |
4 | 1331132111231031 |
5 | 13302401331404 |
6 | 544515413313 |
7 | 103111046013 |
oct | 17536255515 |
9 | 5381112440 |
10 | 2105105229 |
11 | 990305797 |
12 | 4a8bb4239 |
13 | 2771877c6 |
14 | 15d8188b3 |
15 | c4c24d39 |
hex | 7d795b4d |
2105105229 has 12 divisors (see below), whose sum is σ = 3043508832. Its totient is φ = 1402110600.
The previous prime is 2105105203. The next prime is 2105105279. The reversal of 2105105229 is 9225015012.
It is not a de Polignac number, because 2105105229 - 29 = 2105104717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105105279) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97377 + ... + 117014.
It is an arithmetic number, because the mean of its divisors is an integer number (253625736).
Almost surely, 22105105229 is an apocalyptic number.
It is an amenable number.
2105105229 is a deficient number, since it is larger than the sum of its proper divisors (938403603).
2105105229 is a wasteful number, since it uses less digits than its factorization.
2105105229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215488 (or 215485 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 27.
The square root of 2105105229 is about 45881.4257516045. The cubic root of 2105105229 is about 1281.6160474040.
The spelling of 2105105229 in words is "two billion, one hundred five million, one hundred five thousand, two hundred twenty-nine".
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