Base | Representation |
---|---|
bin | 100101000101000… |
… | …0010000110000001 |
3 | 10012201002001201110 |
4 | 1022022002012001 |
5 | 10022000102001 |
6 | 323242153533 |
7 | 42555022662 |
oct | 11212020601 |
9 | 3181061643 |
10 | 1244144001 |
11 | 589317891 |
12 | 2a87b28a9 |
13 | 16a9ac2a9 |
14 | bb341369 |
15 | 7435a3d6 |
hex | 4a282181 |
1244144001 has 8 divisors (see below), whose sum is σ = 1659266784. Its totient is φ = 829225280.
The previous prime is 1244143969. The next prime is 1244144017. The reversal of 1244144001 is 1004414421.
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 1244144001 - 25 = 1244143969 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1244144071) 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, 36171 + ... + 61616.
It is an arithmetic number, because the mean of its divisors is an integer number (207408348).
Almost surely, 21244144001 is an apocalyptic number.
It is an amenable number.
1244144001 is a deficient number, since it is larger than the sum of its proper divisors (415122783).
1244144001 is an equidigital number, since it uses as much as digits as its factorization.
1244144001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102031.
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 1244144001 is about 35272.4255049181. The cubic root of 1244144001 is about 1075.5325289434.
Adding to 1244144001 its reverse (1004414421), we get a palindrome (2248558422).
The spelling of 1244144001 in words is "one billion, two hundred forty-four million, one hundred forty-four thousand, one".
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