Base | Representation |
---|---|
bin | 111100111110111… |
… | …110100110100111 |
3 | 2122022020000101200 |
4 | 330332332212213 |
5 | 4043411023221 |
6 | 245305253543 |
7 | 34232365122 |
oct | 7476764647 |
9 | 2568200350 |
10 | 1023142311 |
11 | 48559aa64 |
12 | 2467942b3 |
13 | 133c80969 |
14 | 99c533b9 |
15 | 5ec53426 |
hex | 3cfbe9a7 |
1023142311 has 12 divisors (see below), whose sum is σ = 1478394840. Its totient is φ = 681853680.
The previous prime is 1023142283. The next prime is 1023142319. The reversal of 1023142311 is 1132413201.
1023142311 is a `hidden beast` number, since 1 + 0 + 231 + 423 + 11 = 666.
It is not a de Polignac number, because 1023142311 - 26 = 1023142247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023142319) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8980 + ... + 46118.
It is an arithmetic number, because the mean of its divisors is an integer number (123199570).
Almost surely, 21023142311 is an apocalyptic number.
1023142311 is a deficient number, since it is larger than the sum of its proper divisors (455252529).
1023142311 is a wasteful number, since it uses less digits than its factorization.
1023142311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40206 (or 40203 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1023142311 is about 31986.5958019918. The cubic root of 1023142311 is about 1007.6553497413.
Adding to 1023142311 its reverse (1132413201), we get a palindrome (2155555512).
It can be divided in two parts, 102 and 3142311, that added together give a palindrome (3142413).
The spelling of 1023142311 in words is "one billion, twenty-three million, one hundred forty-two thousand, three hundred eleven".
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