Base | Representation |
---|---|
bin | 11110101111001001000… |
… | …011100111110011010010 |
3 | 21110220221222220201101122 |
4 | 132233021003213303102 |
5 | 234101242220042320 |
6 | 4254155433402242 |
7 | 305413223502521 |
oct | 36571103476322 |
9 | 7426858821348 |
10 | 2112202112210 |
11 | 744864033443 |
12 | 2a1438269382 |
13 | 124245052148 |
14 | 743343004b8 |
15 | 39e235acd25 |
hex | 1ebc90e7cd2 |
2112202112210 has 32 divisors (see below), whose sum is σ = 3805027377840. Its totient is φ = 844200343552.
The previous prime is 2112202112203. The next prime is 2112202112219. The reversal of 2112202112210 is 122112022112.
It can be written as a sum of positive squares in 8 ways, for example, as 1134866220601 + 977335891609 = 1065301^2 + 988603^2 .
It is a super-2 number, since 2×21122021122102 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112202112219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67104356 + ... + 67135824.
Almost surely, 22112202112210 is an apocalyptic number.
2112202112210 is a deficient number, since it is larger than the sum of its proper divisors (1692825265630).
2112202112210 is a wasteful number, since it uses less digits than its factorization.
2112202112210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36670.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2112202112210 its reverse (122112022112), we get a palindrome (2234314134322).
The spelling of 2112202112210 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred twelve thousand, two hundred ten".
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