Base | Representation |
---|---|
bin | 111110110000101… |
… | …0111111110011000 |
3 | 12102202121212000120 |
4 | 1331201113332120 |
5 | 13303102312302 |
6 | 544544433240 |
7 | 103120601631 |
oct | 17541277630 |
9 | 5382555016 |
10 | 2105900952 |
11 | 9907a9611 |
12 | 4a9318820 |
13 | 2773a5a4c |
14 | 15d984888 |
15 | c4d309bc |
hex | 7d857f98 |
2105900952 has 16 divisors (see below), whose sum is σ = 5264752440. Its totient is φ = 701966976.
The previous prime is 2105900933. The next prime is 2105900969. The reversal of 2105900952 is 2590095012.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 43872913 + ... + 43872960.
Almost surely, 22105900952 is an apocalyptic number.
It is an amenable number.
2105900952 is an abundant number, since it is smaller than the sum of its proper divisors (3158851488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105900952 is a wasteful number, since it uses less digits than its factorization.
2105900952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87745882 (or 87745878 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 33.
The square root of 2105900952 is about 45890.0964479265. The cubic root of 2105900952 is about 1281.7775093084. Note that the first 3 decimals are identical.
Adding to 2105900952 its reverse (2590095012), we get a palindrome (4695995964).
The spelling of 2105900952 in words is "two billion, one hundred five million, nine hundred thousand, nine hundred fifty-two".
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