Base | Representation |
---|---|
bin | 10111001011101001… |
… | …10000010011100011 |
3 | 1012010100212102110111 |
4 | 23211310300103203 |
5 | 200442102341103 |
6 | 5414551312151 |
7 | 620263045636 |
oct | 134564602343 |
9 | 35110772414 |
10 | 12445746403 |
11 | 5307332532 |
12 | 24b407b657 |
13 | 12346023ac |
14 | 860ccdc1d |
15 | 4cc96d86d |
hex | 2e5d304e3 |
12445746403 has 8 divisors (see below), whose sum is σ = 12661536080. Its totient is φ = 12230840160.
The previous prime is 12445746373. The next prime is 12445746433. The reversal of 12445746403 is 30464754421.
It is a happy number.
12445746403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12445746373) and next prime (12445746433).
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 12445746403 - 29 = 12445745891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12445746433) by changing a digit.
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, 192408 + ... + 248821.
It is an arithmetic number, because the mean of its divisors is an integer number (1582692010).
Almost surely, 212445746403 is an apocalyptic number.
12445746403 is a deficient number, since it is larger than the sum of its proper divisors (215789677).
12445746403 is an equidigital number, since it uses as much as digits as its factorization.
12445746403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441717.
The product of its (nonzero) digits is 322560, while the sum is 40.
The spelling of 12445746403 in words is "twelve billion, four hundred forty-five million, seven hundred forty-six thousand, four hundred three".
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