Base | Representation |
---|---|
bin | 10111001001001011… |
… | …01000100100100001 |
3 | 1012001220211200002011 |
4 | 23210211220210201 |
5 | 200421300132340 |
6 | 5412530552521 |
7 | 616621542244 |
oct | 134445504441 |
9 | 35056750064 |
10 | 12425005345 |
11 | 52a6656465 |
12 | 24a9138741 |
13 | 123021c88c |
14 | 85c25125b |
15 | 4cac230ea |
hex | 2e4968921 |
12425005345 has 4 divisors (see below), whose sum is σ = 14910006420. Its totient is φ = 9940004272.
The previous prime is 12425005343. The next prime is 12425005361. The reversal of 12425005345 is 54350052421.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1760725521 + 10664279824 = 41961^2 + 103268^2 .
It is a cyclic number.
It is not a de Polignac number, because 12425005345 - 21 = 12425005343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12425005343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242500530 + ... + 1242500539.
It is an arithmetic number, because the mean of its divisors is an integer number (3727501605).
Almost surely, 212425005345 is an apocalyptic number.
It is an amenable number.
12425005345 is a deficient number, since it is larger than the sum of its proper divisors (2485001075).
12425005345 is an equidigital number, since it uses as much as digits as its factorization.
12425005345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2485001074.
The product of its (nonzero) digits is 24000, while the sum is 31.
Adding to 12425005345 its reverse (54350052421), we get a palindrome (66775057766).
The spelling of 12425005345 in words is "twelve billion, four hundred twenty-five million, five thousand, three hundred forty-five".
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