Base | Representation |
---|---|
bin | 11101011010011111001… |
… | …000000001100111000010 |
3 | 21011020100011122221110101 |
4 | 131122133020001213002 |
5 | 231104112400411320 |
6 | 4144324022153014 |
7 | 266014543103443 |
oct | 35323710014702 |
9 | 7136304587411 |
10 | 2021304310210 |
11 | 70a259651429 |
12 | 2878aa88276a |
13 | 1187ba225aa3 |
14 | 6db900992ca |
15 | 378a34dac0a |
hex | 1d69f2019c2 |
2021304310210 has 8 divisors (see below), whose sum is σ = 3638347758396. Its totient is φ = 808521724080.
The previous prime is 2021304310199. The next prime is 2021304310217. The reversal of 2021304310210 is 120134031202.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1872904468681 + 148399841529 = 1368541^2 + 385227^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×20213043102102 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2021304310217) by changing a digit.
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, 101065215501 + ... + 101065215520.
Almost surely, 22021304310210 is an apocalyptic number.
2021304310210 is a deficient number, since it is larger than the sum of its proper divisors (1617043448186).
2021304310210 is a wasteful number, since it uses less digits than its factorization.
2021304310210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202130431028.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 2021304310210 its reverse (120134031202), we get a palindrome (2141438341412).
The spelling of 2021304310210 in words is "two trillion, twenty-one billion, three hundred four million, three hundred ten thousand, two hundred ten".
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