Base | Representation |
---|---|
bin | 101010011010011… |
… | …0110111011110111 |
3 | 10200011220010200221 |
4 | 1110310312323313 |
5 | 10403311031042 |
6 | 353114515211 |
7 | 50160340633 |
oct | 12464667367 |
9 | 3604803627 |
10 | 1423142647 |
11 | 670366153 |
12 | 338735b07 |
13 | 198ac2454 |
14 | d7017dc3 |
15 | 84e16d67 |
hex | 54d36ef7 |
1423142647 has 2 divisors, whose sum is σ = 1423142648. Its totient is φ = 1423142646.
The previous prime is 1423142587. The next prime is 1423142659. The reversal of 1423142647 is 7462413241.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1423142647 - 215 = 1423109879 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1423142447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711571323 + 711571324.
It is an arithmetic number, because the mean of its divisors is an integer number (711571324).
Almost surely, 21423142647 is an apocalyptic number.
1423142647 is a deficient number, since it is larger than the sum of its proper divisors (1).
1423142647 is an equidigital number, since it uses as much as digits as its factorization.
1423142647 is an evil number, because the sum of its binary digits is even.
The product of its digits is 32256, while the sum is 34.
The square root of 1423142647 is about 37724.5629133062. The cubic root of 1423142647 is about 1124.8194336044.
Adding to 1423142647 its reverse (7462413241), we get a palindrome (8885555888).
The spelling of 1423142647 in words is "one billion, four hundred twenty-three million, one hundred forty-two thousand, six hundred forty-seven".
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