Base | Representation |
---|---|
bin | 10111001000000001… |
… | …01111101011101001 |
3 | 1012001020122101001121 |
4 | 23210000233223221 |
5 | 200411311211040 |
6 | 5411543415241 |
7 | 616443415243 |
oct | 134400575351 |
9 | 35036571047 |
10 | 12415335145 |
11 | 52a1151064 |
12 | 24a5a54521 |
13 | 122b215175 |
14 | 85ac55093 |
15 | 4c9e62c4a |
hex | 2e402fae9 |
12415335145 has 8 divisors (see below), whose sum is σ = 15412140360. Its totient is φ = 9589776000.
The previous prime is 12415335137. The next prime is 12415335169. The reversal of 12415335145 is 54153351421.
12415335145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 8271376 + 12407063769 = 2876^2 + 111387^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12415335145 - 23 = 12415335137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12415335145.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42811356 + ... + 42811645.
It is an arithmetic number, because the mean of its divisors is an integer number (1926517545).
Almost surely, 212415335145 is an apocalyptic number.
It is an amenable number.
12415335145 is a deficient number, since it is larger than the sum of its proper divisors (2996805215).
12415335145 is an equidigital number, since it uses as much as digits as its factorization.
12415335145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85623035.
The product of its digits is 36000, while the sum is 34.
Adding to 12415335145 its reverse (54153351421), we get a palindrome (66568686566).
The spelling of 12415335145 in words is "twelve billion, four hundred fifteen million, three hundred thirty-five thousand, one hundred forty-five".
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