Base | Representation |
---|---|
bin | 111111100000110… |
… | …1010101010000111 |
3 | 12111112010022000110 |
4 | 1333001222222013 |
5 | 13331033041203 |
6 | 551245444103 |
7 | 103545263532 |
oct | 17701525207 |
9 | 5445108013 |
10 | 2131143303 |
11 | 9a3a7a563 |
12 | 4b5870633 |
13 | 27c6a3353 |
14 | 163075a19 |
15 | c7169d03 |
hex | 7f06aa87 |
2131143303 has 32 divisors (see below), whose sum is σ = 3093292800. Its totient is φ = 1300755456.
The previous prime is 2131143299. The next prime is 2131143317. The reversal of 2131143303 is 3033411312.
It is not a de Polignac number, because 2131143303 - 22 = 2131143299 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2131143303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131143323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197143 + ... + 207671.
It is an arithmetic number, because the mean of its divisors is an integer number (96665400).
Almost surely, 22131143303 is an apocalyptic number.
2131143303 is a deficient number, since it is larger than the sum of its proper divisors (962149497).
2131143303 is a wasteful number, since it uses less digits than its factorization.
2131143303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10671.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 2131143303 is about 46164.3076737862. The cubic root of 2131143303 is about 1286.8785180157.
Adding to 2131143303 its reverse (3033411312), we get a palindrome (5164554615).
The spelling of 2131143303 in words is "two billion, one hundred thirty-one million, one hundred forty-three thousand, three hundred three".
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