Base | Representation |
---|---|
bin | 101010011010110… |
… | …0000010010000001 |
3 | 10200012012202000022 |
4 | 1110311200102001 |
5 | 10403331441001 |
6 | 353122303225 |
7 | 50161644446 |
oct | 12465402201 |
9 | 3605182008 |
10 | 1423312001 |
11 | 670471411 |
12 | 3387b7b15 |
13 | 198b51567 |
14 | d705d9cd |
15 | 84e4c11b |
hex | 54d60481 |
1423312001 has 4 divisors (see below), whose sum is σ = 1431539412. Its totient is φ = 1415084592.
The previous prime is 1423311991. The next prime is 1423312027. The reversal of 1423312001 is 1002133241.
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 533841025 + 889470976 = 23105^2 + 29824^2 .
It is a cyclic number.
It is not a de Polignac number, because 1423312001 - 214 = 1423295617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1423312091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4113446 + ... + 4113791.
It is an arithmetic number, because the mean of its divisors is an integer number (357884853).
Almost surely, 21423312001 is an apocalyptic number.
It is an amenable number.
1423312001 is a deficient number, since it is larger than the sum of its proper divisors (8227411).
1423312001 is an equidigital number, since it uses as much as digits as its factorization.
1423312001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8227410.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1423312001 is about 37726.8074583578. The cubic root of 1423312001 is about 1124.8640496788.
Adding to 1423312001 its reverse (1002133241), we get a palindrome (2425445242).
The spelling of 1423312001 in words is "one billion, four hundred twenty-three million, three hundred twelve thousand, one".
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