Base | Representation |
---|---|
bin | 10110100100110110… |
… | …00100001110001101 |
3 | 1011021200101020122220 |
4 | 23102123010032031 |
5 | 144310240321013 |
6 | 5322402525553 |
7 | 606231245433 |
oct | 132233041615 |
9 | 34250336586 |
10 | 12120245133 |
11 | 515a620617 |
12 | 24230668b9 |
13 | 11b20461a9 |
14 | 82d99cd53 |
15 | 4ae0c3b23 |
hex | 2d26c438d |
12120245133 has 8 divisors (see below), whose sum is σ = 16311358368. Its totient is φ = 8004647664.
The previous prime is 12120245131. The next prime is 12120245153. The reversal of 12120245133 is 33154202121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12120245133 - 21 = 12120245131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120245131) 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, 18878566 + ... + 18879207.
It is an arithmetic number, because the mean of its divisors is an integer number (2038919796).
Almost surely, 212120245133 is an apocalyptic number.
It is an amenable number.
12120245133 is a deficient number, since it is larger than the sum of its proper divisors (4191113235).
12120245133 is a wasteful number, since it uses less digits than its factorization.
12120245133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37757883.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 12120245133 its reverse (33154202121), we get a palindrome (45274447254).
The spelling of 12120245133 in words is "twelve billion, one hundred twenty million, two hundred forty-five thousand, one hundred thirty-three".
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