Base | Representation |
---|---|
bin | 101111111110110000100111… |
… | …110111010100101100111100 |
3 | 1000200011102002110020221101120 |
4 | 233332300213313110230330 |
5 | 210124332003003014322 |
6 | 2024445413210510540 |
7 | 62306523101542314 |
oct | 5776604767245474 |
9 | 1020142073227346 |
10 | 211021002001212 |
11 | 61268560361657 |
12 | 1b80134a735450 |
13 | 909926c848890 |
14 | 3a17684590444 |
15 | 195e21943da5c |
hex | bfec27dd4b3c |
211021002001212 has 96 divisors (see below), whose sum is σ = 530579993739264. Its totient is φ = 64890107443200.
The previous prime is 211021002001207. The next prime is 211021002001253. The reversal of 211021002001212 is 212100200120112.
It is a super-3 number, since 3×2110210020012123 (a number of 44 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 211021002001191 and 211021002001200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866823713 + ... + 2866897319.
It is an arithmetic number, because the mean of its divisors is an integer number (5526874934784).
Almost surely, 2211021002001212 is an apocalyptic number.
It is an amenable number.
211021002001212 is an abundant number, since it is smaller than the sum of its proper divisors (319558991738052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211021002001212 is a wasteful number, since it uses less digits than its factorization.
211021002001212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84539 (or 84537 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 211021002001212 its reverse (212100200120112), we get a palindrome (423121202121324).
The spelling of 211021002001212 in words is "two hundred eleven trillion, twenty-one billion, two million, one thousand, two hundred twelve".
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