Base | Representation |
---|---|
bin | 111110101001010… |
… | …0111111100101101 |
3 | 12102111100101212022 |
4 | 1331102213330231 |
5 | 13301110043341 |
6 | 544325515525 |
7 | 103042665440 |
oct | 17522477455 |
9 | 5374311768 |
10 | 2102034221 |
11 | 9895a8471 |
12 | 4a7b72ba5 |
13 | 276650a41 |
14 | 15d259657 |
15 | c4819e4b |
hex | 7d4a7f2d |
2102034221 has 8 divisors (see below), whose sum is σ = 2417627520. Its totient is φ = 1790266608.
The previous prime is 2102034211. The next prime is 2102034223. The reversal of 2102034221 is 1224302012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2102034221 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2102034221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102034223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955241 + ... + 957438.
It is an arithmetic number, because the mean of its divisors is an integer number (302203440).
Almost surely, 22102034221 is an apocalyptic number.
It is an amenable number.
2102034221 is a deficient number, since it is larger than the sum of its proper divisors (315593299).
2102034221 is a wasteful number, since it uses less digits than its factorization.
2102034221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1912843.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2102034221 is about 45847.9467479188. The cubic root of 2102034221 is about 1280.9925205992.
Adding to 2102034221 its reverse (1224302012), we get a palindrome (3326336233).
The spelling of 2102034221 in words is "two billion, one hundred two million, thirty-four thousand, two hundred twenty-one".
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