Base | Representation |
---|---|
bin | 1100010010000010110… |
… | …1001101101110011000 |
3 | 202011122002201100100112 |
4 | 3010200231031232120 |
5 | 11424113020333422 |
6 | 240533311423452 |
7 | 21146554302566 |
oct | 3044055155630 |
9 | 664562640315 |
10 | 211002121112 |
11 | 81538218682 |
12 | 34a88224b88 |
13 | 16b8880a103 |
14 | a2d9384a36 |
15 | 574e2d1ee2 |
hex | 3120b4db98 |
211002121112 has 16 divisors (see below), whose sum is σ = 399546097200. Its totient is φ = 104456495200.
The previous prime is 211002121093. The next prime is 211002121117. The reversal of 211002121112 is 211121200112.
It is a super-2 number, since 2×2110021211122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211002121117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130569812 + ... + 130571427.
It is an arithmetic number, because the mean of its divisors is an integer number (24971631075).
Almost surely, 2211002121112 is an apocalyptic number.
It is an amenable number.
211002121112 is a deficient number, since it is larger than the sum of its proper divisors (188543976088).
211002121112 is a wasteful number, since it uses less digits than its factorization.
211002121112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261141346 (or 261141342 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 211002121112 its reverse (211121200112), we get a palindrome (422123321224).
The spelling of 211002121112 in words is "two hundred eleven billion, two million, one hundred twenty-one thousand, one hundred twelve".
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