Base | Representation |
---|---|
bin | 10110100010110100… |
… | …00110000000111001 |
3 | 1011020111022221010100 |
4 | 23101122012000321 |
5 | 144241410304423 |
6 | 5320553510013 |
7 | 605633420415 |
oct | 132132060071 |
9 | 34214287110 |
10 | 12103213113 |
11 | 5150a48172 |
12 | 2419412309 |
13 | 11ab661984 |
14 | 82b607d45 |
15 | 4ac85c343 |
hex | 2d1686039 |
12103213113 has 12 divisors (see below), whose sum is σ = 17546933248. Its totient is φ = 8039032920.
The previous prime is 12103213081. The next prime is 12103213127. The reversal of 12103213113 is 31131230121.
It is not a de Polignac number, because 12103213113 - 25 = 12103213081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12103213163) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2478745 + ... + 2483622.
Almost surely, 212103213113 is an apocalyptic number.
It is an amenable number.
12103213113 is a deficient number, since it is larger than the sum of its proper divisors (5443720135).
12103213113 is a wasteful number, since it uses less digits than its factorization.
12103213113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4962644 (or 4962641 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 12103213113 its reverse (31131230121), we get a palindrome (43234443234).
The spelling of 12103213113 in words is "twelve billion, one hundred three million, two hundred thirteen thousand, one hundred thirteen".
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