Base | Representation |
---|---|
bin | 10110100010011011… |
… | …11000000011100011 |
3 | 1011020021022012120100 |
4 | 23101031320003203 |
5 | 144240100311321 |
6 | 5320401113443 |
7 | 605564250462 |
oct | 132115700343 |
9 | 34207265510 |
10 | 12100010211 |
11 | 514a15a843 |
12 | 2418328883 |
13 | 11aaaacb73 |
14 | 82b0129d9 |
15 | 4ac428326 |
hex | 2d13780e3 |
12100010211 has 24 divisors (see below), whose sum is σ = 17978485824. Its totient is φ = 7836272640.
The previous prime is 12100010173. The next prime is 12100010239. The reversal of 12100010211 is 11201000121.
It is a happy number.
It is not a de Polignac number, because 12100010211 - 26 = 12100010147 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 12100010193 and 12100010202.
It is not an unprimeable number, because it can be changed into a prime (12100010261) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185110 + ... + 241796.
It is an arithmetic number, because the mean of its divisors is an integer number (749103576).
Almost surely, 212100010211 is an apocalyptic number.
12100010211 is a deficient number, since it is larger than the sum of its proper divisors (5878475613).
12100010211 is a wasteful number, since it uses less digits than its factorization.
12100010211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57371 (or 57368 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 12100010211 its reverse (11201000121), we get a palindrome (23301010332).
The spelling of 12100010211 in words is "twelve billion, one hundred million, ten thousand, two hundred eleven".
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