Base | Representation |
---|---|
bin | 111110100111101… |
… | …1100100100111010 |
3 | 12102102210002012001 |
4 | 1331033130210322 |
5 | 13300401414320 |
6 | 544300011214 |
7 | 103032626023 |
oct | 17517344472 |
9 | 5372702161 |
10 | 2101201210 |
11 | 989089629 |
12 | 4a7830b0a |
13 | 27641b834 |
14 | 15d0bdc4a |
15 | c470320a |
hex | 7d3dc93a |
2101201210 has 32 divisors (see below), whose sum is σ = 3888912384. Its totient is φ = 816912000.
The previous prime is 2101201183. The next prime is 2101201237. The reversal of 2101201210 is 121021012.
It is an interprime number because it is at equal distance from previous prime (2101201183) and next prime (2101201237).
It is a Harshad number since it is a multiple of its sum of digits (10).
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 15 ways as a sum of consecutive naturals, for example, 101655 + ... + 120565.
It is an arithmetic number, because the mean of its divisors is an integer number (121528512).
Almost surely, 22101201210 is an apocalyptic number.
2101201210 is a deficient number, since it is larger than the sum of its proper divisors (1787711174).
2101201210 is a wasteful number, since it uses less digits than its factorization.
2101201210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19230.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2101201210 is about 45838.8613514777. The cubic root of 2101201210 is about 1280.8232842411.
Adding to 2101201210 its reverse (121021012), we get a palindrome (2222222222).
The spelling of 2101201210 in words is "two billion, one hundred one million, two hundred one thousand, two hundred ten".
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