Base | Representation |
---|---|
bin | 10111001011100011… |
… | …11011000011100001 |
3 | 1012010022110201002010 |
4 | 23211301323003201 |
5 | 200441410112001 |
6 | 5414523343133 |
7 | 620253534333 |
oct | 134561730341 |
9 | 35108421063 |
10 | 12445004001 |
11 | 5306975781 |
12 | 24b3981aa9 |
13 | 12344024c1 |
14 | 860b79453 |
15 | 4cc8738d6 |
hex | 2e5c7b0e1 |
12445004001 has 16 divisors (see below), whose sum is σ = 17200828800. Its totient is φ = 7994101248.
The previous prime is 12445003951. The next prime is 12445004029. The reversal of 12445004001 is 10040054421.
It is a happy number.
It is not a de Polignac number, because 12445004001 - 29 = 12445003489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12445004051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104496 + ... + 189233.
It is an arithmetic number, because the mean of its divisors is an integer number (1075051800).
Almost surely, 212445004001 is an apocalyptic number.
It is an amenable number.
12445004001 is a deficient number, since it is larger than the sum of its proper divisors (4755824799).
12445004001 is a wasteful number, since it uses less digits than its factorization.
12445004001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294248.
The product of its (nonzero) digits is 640, while the sum is 21.
Adding to 12445004001 its reverse (10040054421), we get a palindrome (22485058422).
The spelling of 12445004001 in words is "twelve billion, four hundred forty-five million, four thousand, one".
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