Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …0100100110010101101 |
3 | 202021201122121201011100 |
4 | 3011220022210302231 |
5 | 11434041424000414 |
6 | 241252255513313 |
7 | 21221352511620 |
oct | 3055012446255 |
9 | 667648551140 |
10 | 212201000109 |
11 | 81aa2a2916a |
12 | 35161828839 |
13 | 17019ccb277 |
14 | a3b06a1db7 |
15 | 57be69a609 |
hex | 31682a4cad |
212201000109 has 48 divisors (see below), whose sum is σ = 358965419904. Its totient is φ = 118260172800.
The previous prime is 212201000093. The next prime is 212201000113. The reversal of 212201000109 is 901000102212.
It is not a de Polignac number, because 212201000109 - 24 = 212201000093 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212201000091 and 212201000100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212201005109) 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 47 ways as a sum of consecutive naturals, for example, 8669242 + ... + 8693684.
It is an arithmetic number, because the mean of its divisors is an integer number (7478446248).
Almost surely, 2212201000109 is an apocalyptic number.
It is an amenable number.
212201000109 is a deficient number, since it is larger than the sum of its proper divisors (146764419795).
212201000109 is a wasteful number, since it uses less digits than its factorization.
212201000109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27858 (or 27855 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The spelling of 212201000109 in words is "two hundred twelve billion, two hundred one million, one hundred nine", and thus it is an aban number.
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