Base | Representation |
---|---|
bin | 1011101100110010101… |
… | …0001101000011101100 |
3 | 201012211011221012122111 |
4 | 2323030222031003230 |
5 | 11243123020024322 |
6 | 232201124453404 |
7 | 20344006520020 |
oct | 2731452150354 |
9 | 635734835574 |
10 | 201002111212 |
11 | 782764a7191 |
12 | 32b5724a264 |
13 | 15c53b182a6 |
14 | 9a2b21c380 |
15 | 5366421177 |
hex | 2ecca8d0ec |
201002111212 has 48 divisors (see below), whose sum is σ = 403032510720. Its totient is φ = 85923698112.
The previous prime is 201002111147. The next prime is 201002111227. The reversal of 201002111212 is 212111200102.
201002111212 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 2×2010021112122 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 201002111192 and 201002111201.
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 15 ways as a sum of consecutive naturals, for example, 19961403 + ... + 19971469.
It is an arithmetic number, because the mean of its divisors is an integer number (8396510640).
Almost surely, 2201002111212 is an apocalyptic number.
It is an amenable number.
201002111212 is an abundant number, since it is smaller than the sum of its proper divisors (202030399508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201002111212 is a wasteful number, since it uses less digits than its factorization.
201002111212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11830 (or 11828 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 201002111212 its reverse (212111200102), we get a palindrome (413113311314).
It can be divided in two parts, 20100 and 2111212, that added together give a palindrome (2131312).
The spelling of 201002111212 in words is "two hundred one billion, two million, one hundred eleven thousand, two hundred twelve".
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