Base | Representation |
---|---|
bin | 10110100100110100… |
… | …01000111001000001 |
3 | 1011021122220220022011 |
4 | 23102122020321001 |
5 | 144310210031423 |
6 | 5322353412521 |
7 | 606226214062 |
oct | 132232107101 |
9 | 34248826264 |
10 | 12120002113 |
11 | 515a474a7a |
12 | 2422b6a141 |
13 | 11b1c8c6ab |
14 | 82d938569 |
15 | 4ae076b0d |
hex | 2d2688e41 |
12120002113 has 8 divisors (see below), whose sum is σ = 12165206760. Its totient is φ = 12074874240.
The previous prime is 12120002107. The next prime is 12120002123. The reversal of 12120002113 is 31120002121.
It can be written as a sum of positive squares in 4 ways, for example, as 3099371584 + 9020630529 = 55672^2 + 94977^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12120002113 - 217 = 12119871041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12120002093 and 12120002102.
It is not an unprimeable number, because it can be changed into a prime (12120002123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307383 + ... + 344563.
It is an arithmetic number, because the mean of its divisors is an integer number (1520650845).
Almost surely, 212120002113 is an apocalyptic number.
It is an amenable number.
12120002113 is a deficient number, since it is larger than the sum of its proper divisors (45204647).
12120002113 is an equidigital number, since it uses as much as digits as its factorization.
12120002113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38387.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 12120002113 its reverse (31120002121), we get a palindrome (43240004234).
The spelling of 12120002113 in words is "twelve billion, one hundred twenty million, two thousand, one hundred thirteen".
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