Base | Representation |
---|---|
bin | 111100111110111… |
… | …111000010101111 |
3 | 2122022020002212100 |
4 | 330332333002233 |
5 | 4043411102421 |
6 | 245305310143 |
7 | 34232403303 |
oct | 7476770257 |
9 | 2568202770 |
10 | 1023144111 |
11 | 4855a1350 |
12 | 246795353 |
13 | 133c81722 |
14 | 99c53d03 |
15 | 5ec53c26 |
hex | 3cfbf0af |
1023144111 has 48 divisors (see below), whose sum is σ = 1638000000. Its totient is φ = 610269120.
The previous prime is 1023144079. The next prime is 1023144127. The reversal of 1023144111 is 1114413201.
It is not a de Polignac number, because 1023144111 - 25 = 1023144079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023104111) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2050140 + ... + 2050638.
It is an arithmetic number, because the mean of its divisors is an integer number (34125000).
Almost surely, 21023144111 is an apocalyptic number.
1023144111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1023144111 is a deficient number, since it is larger than the sum of its proper divisors (614855889).
1023144111 is a wasteful number, since it uses less digits than its factorization.
1023144111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 804 (or 801 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 1023144111 is about 31986.6239387654. The cubic root of 1023144111 is about 1007.6559406590.
Adding to 1023144111 its reverse (1114413201), we get a palindrome (2137557312).
The spelling of 1023144111 in words is "one billion, twenty-three million, one hundred forty-four thousand, one hundred eleven".
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