Base | Representation |
---|---|
bin | 10110010110110111… |
… | …10110101010101101 |
3 | 1010222111210011000001 |
4 | 23023123312222231 |
5 | 144040232324440 |
6 | 5303014104301 |
7 | 603305624611 |
oct | 131333665255 |
9 | 33874704001 |
10 | 12003011245 |
11 | 50aa429005 |
12 | 23ab94b091 |
13 | 119397a324 |
14 | 81c1a3341 |
15 | 4a3b67b9a |
hex | 2cb6f6aad |
12003011245 has 8 divisors (see below), whose sum is σ = 15250884984. Its totient is φ = 9037561344.
The previous prime is 12003011243. The next prime is 12003011269. The reversal of 12003011245 is 54211030021.
It can be written as a sum of positive squares in 4 ways, for example, as 4960948356 + 7042062889 = 70434^2 + 83917^2 .
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 12003011245 - 21 = 12003011243 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12003011243) 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, 70605864 + ... + 70606033.
It is an arithmetic number, because the mean of its divisors is an integer number (1906360623).
Almost surely, 212003011245 is an apocalyptic number.
It is an amenable number.
12003011245 is a deficient number, since it is larger than the sum of its proper divisors (3247873739).
12003011245 is a wasteful number, since it uses less digits than its factorization.
12003011245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141211919.
The product of its (nonzero) digits is 240, while the sum is 19.
Adding to 12003011245 its reverse (54211030021), we get a palindrome (66214041266).
The spelling of 12003011245 in words is "twelve billion, three million, eleven thousand, two hundred forty-five".
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