Base | Representation |
---|---|
bin | 11110100100111010100… |
… | …110001111010000000100 |
3 | 21102212121210002211020222 |
4 | 132210322212033100010 |
5 | 233411300330011322 |
6 | 4245142122043512 |
7 | 304544146150061 |
oct | 36447246172004 |
9 | 7385553084228 |
10 | 2101222110212 |
11 | 74013a114425 |
12 | 29b293049598 |
13 | 1231b530a044 |
14 | 739b1d57c68 |
15 | 399ce66de42 |
hex | 1e93a98f404 |
2101222110212 has 24 divisors (see below), whose sum is σ = 3691726540992. Its totient is φ = 1046449087200.
The previous prime is 2101222110193. The next prime is 2101222110293. The reversal of 2101222110212 is 2120112221012.
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 7 ways as a sum of consecutive naturals, for example, 656873 + ... + 2152655.
It is an arithmetic number, because the mean of its divisors is an integer number (153821939208).
Almost surely, 22101222110212 is an apocalyptic number.
It is an amenable number.
2101222110212 is a deficient number, since it is larger than the sum of its proper divisors (1590504430780).
2101222110212 is a wasteful number, since it uses less digits than its factorization.
2101222110212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1497179 (or 1497177 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2101222110212 its reverse (2120112221012), we get a palindrome (4221334331224).
The spelling of 2101222110212 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred ten thousand, two hundred twelve".
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