Base | Representation |
---|---|
bin | 1100010010110100101… |
… | …0011110111001010100 |
3 | 202012011122222121012221 |
4 | 3010231022132321110 |
5 | 11430030021321322 |
6 | 241010135152124 |
7 | 21155002620451 |
oct | 3045512367124 |
9 | 665148877187 |
10 | 211211120212 |
11 | 81635197804 |
12 | 34b26215644 |
13 | 16bbcbc5511 |
14 | a31902a828 |
15 | 57628179c7 |
hex | 312d29ee54 |
211211120212 has 12 divisors (see below), whose sum is σ = 389073116320. Its totient is φ = 100047372696.
The previous prime is 211211120189. The next prime is 211211120243. The reversal of 211211120212 is 212021112112.
211211120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2112111202122 (a number of 23 digits) contains 22 as substring.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1389546768 + ... + 1389546919.
Almost surely, 2211211120212 is an apocalyptic number.
It is an amenable number.
211211120212 is a deficient number, since it is larger than the sum of its proper divisors (177861996108).
211211120212 is a wasteful number, since it uses less digits than its factorization.
211211120212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2779093710 (or 2779093708 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 211211120212 its reverse (212021112112), we get a palindrome (423232232324).
The spelling of 211211120212 in words is "two hundred eleven billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".
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