Base | Representation |
---|---|
bin | 111110110000011… |
… | …0110110001010110 |
3 | 12102202100221110110 |
4 | 1331200312301112 |
5 | 13303033434300 |
6 | 544541503450 |
7 | 103116464262 |
oct | 17540666126 |
9 | 5382327413 |
10 | 2105764950 |
11 | 990716413 |
12 | 4a9271b86 |
13 | 277358b83 |
14 | 15d94b0a2 |
15 | c4d05550 |
hex | 7d836c56 |
2105764950 has 48 divisors (see below), whose sum is σ = 5251538880. Its totient is φ = 558393120.
The previous prime is 2105764937. The next prime is 2105764963. The reversal of 2105764950 is 594675012.
It is an interprime number because it is at equal distance from previous prime (2105764937) and next prime (2105764963).
It is a junction number, because it is equal to n+sod(n) for n = 2105764899 and 2105764908.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12364 + ... + 66063.
It is an arithmetic number, because the mean of its divisors is an integer number (109407060).
Almost surely, 22105764950 is an apocalyptic number.
2105764950 is an abundant number, since it is smaller than the sum of its proper divisors (3145773930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105764950 is a wasteful number, since it uses less digits than its factorization.
2105764950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78621 (or 78616 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 39.
The square root of 2105764950 is about 45888.6146010097. The cubic root of 2105764950 is about 1281.7499157255.
The spelling of 2105764950 in words is "two billion, one hundred five million, seven hundred sixty-four thousand, nine hundred fifty".
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