Base | Representation |
---|---|
bin | 111100111110111… |
… | …111010001100111 |
3 | 2122022020011011121 |
4 | 330332333101213 |
5 | 4043411120223 |
6 | 245305314411 |
7 | 34232406133 |
oct | 7476772147 |
9 | 2568204147 |
10 | 1023145063 |
11 | 4855a2036 |
12 | 246795a07 |
13 | 133c81ca5 |
14 | 99c543c3 |
15 | 5ec5415d |
hex | 3cfbf467 |
1023145063 has 4 divisors (see below), whose sum is σ = 1023719400. Its totient is φ = 1022570728.
The previous prime is 1023145061. The next prime is 1023145073. The reversal of 1023145063 is 3605413201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3605413201 = 13 ⋅277339477.
It is a cyclic number.
It is not a de Polignac number, because 1023145063 - 21 = 1023145061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023145061) 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, 284488 + ... + 288061.
It is an arithmetic number, because the mean of its divisors is an integer number (255929850).
Almost surely, 21023145063 is an apocalyptic number.
1023145063 is a deficient number, since it is larger than the sum of its proper divisors (574337).
1023145063 is an equidigital number, since it uses as much as digits as its factorization.
1023145063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 574336.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 1023145063 is about 31986.6388199823. The cubic root of 1023145063 is about 1007.6562531885.
Adding to 1023145063 its reverse (3605413201), we get a palindrome (4628558264).
The spelling of 1023145063 in words is "one billion, twenty-three million, one hundred forty-five thousand, sixty-three".
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