Base | Representation |
---|---|
bin | 10110010110100010… |
… | …01011010010000111 |
3 | 1010222022111221022010 |
4 | 23023101023102013 |
5 | 144034023241403 |
6 | 5302434105303 |
7 | 603243056055 |
oct | 131321132207 |
9 | 33868457263 |
10 | 12000212103 |
11 | 50a8896a70 |
12 | 23aaa1b233 |
13 | 119320a229 |
14 | 81ba751d5 |
15 | 4a37b3603 |
hex | 2cb44b487 |
12000212103 has 16 divisors (see below), whose sum is σ = 17457955200. Its totient is φ = 7271563680.
The previous prime is 12000212087. The next prime is 12000212111. The reversal of 12000212103 is 30121200021.
It is not a de Polignac number, because 12000212103 - 24 = 12000212087 is a prime.
It is a super-3 number, since 3×120002121033 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12000212153) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176368 + ... + 234746.
It is an arithmetic number, because the mean of its divisors is an integer number (1091122200).
Almost surely, 212000212103 is an apocalyptic number.
12000212103 is a deficient number, since it is larger than the sum of its proper divisors (5457743097).
12000212103 is a wasteful number, since it uses less digits than its factorization.
12000212103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64622.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 12000212103 its reverse (30121200021), we get a palindrome (42121412124).
The spelling of 12000212103 in words is "twelve billion, two hundred twelve thousand, one hundred three".
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