Base | Representation |
---|---|
bin | 101010011010011… |
… | …0111000010111001 |
3 | 10200011220011022121 |
4 | 1110310313002321 |
5 | 10403311034342 |
6 | 353114521241 |
7 | 50160342145 |
oct | 12464670271 |
9 | 3604804277 |
10 | 1423143097 |
11 | 670366522 |
12 | 338736221 |
13 | 198ac270c |
14 | d7018225 |
15 | 84e17067 |
hex | 54d370b9 |
1423143097 has 4 divisors (see below), whose sum is σ = 1424300416. Its totient is φ = 1421985780.
The previous prime is 1423143091. The next prime is 1423143107. The reversal of 1423143097 is 7903413241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7903413241 = 463 ⋅17070007.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1423143097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1423143091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576813 + ... + 579274.
It is an arithmetic number, because the mean of its divisors is an integer number (356075104).
Almost surely, 21423143097 is an apocalyptic number.
It is an amenable number.
1423143097 is a deficient number, since it is larger than the sum of its proper divisors (1157319).
1423143097 is a wasteful number, since it uses less digits than its factorization.
1423143097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1157318.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 1423143097 is about 37724.5688775896. The cubic root of 1423143097 is about 1124.8195521609.
The spelling of 1423143097 in words is "one billion, four hundred twenty-three million, one hundred forty-three thousand, ninety-seven".
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