Base | Representation |
---|---|
bin | 111111001111100… |
… | …1111110000010010 |
3 | 12110220010212122211 |
4 | 1332133033300102 |
5 | 13321230321320 |
6 | 550324222334 |
7 | 103405503250 |
oct | 17637176022 |
9 | 5426125584 |
10 | 2122120210 |
11 | 999977361 |
12 | 4b283a9aa |
13 | 27a864342 |
14 | 161ba75d0 |
15 | c648655a |
hex | 7e7cfc12 |
2122120210 has 32 divisors (see below), whose sum is σ = 4367623680. Its totient is φ = 727230912.
The previous prime is 2122120157. The next prime is 2122120229. The reversal of 2122120210 is 120212212.
It is a happy 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 15 ways as a sum of consecutive naturals, for example, 167271 + ... + 179509.
It is an arithmetic number, because the mean of its divisors is an integer number (136488240).
Almost surely, 22122120210 is an apocalyptic number.
2122120210 is an abundant number, since it is smaller than the sum of its proper divisors (2245503470).
2122120210 is a wasteful number, since it uses less digits than its factorization.
2122120210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14730.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2122120210 is about 46066.4759885103. The cubic root of 2122120210 is about 1285.0597679963.
Adding to 2122120210 its reverse (120212212), we get a palindrome (2242332422).
The spelling of 2122120210 in words is "two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred ten".
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