Base | Representation |
---|---|
bin | 111111011111011… |
… | …1100100010111111 |
3 | 12111110210001202010 |
4 | 1332332330202333 |
5 | 13330342231033 |
6 | 551222302303 |
7 | 103536233412 |
oct | 17676744277 |
9 | 5443701663 |
10 | 2130430143 |
11 | 9a3632776 |
12 | 4b5587993 |
13 | 27c4b386a |
14 | 162d2bb79 |
15 | c7078863 |
hex | 7efbc8bf |
2130430143 has 16 divisors (see below), whose sum is σ = 2938597376. Its totient is φ = 1371474720.
The previous prime is 2130430129. The next prime is 2130430163. The reversal of 2130430143 is 3410340312.
It is not a de Polignac number, because 2130430143 - 25 = 2130430111 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 (2130430163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18321 + ... + 67797.
It is an arithmetic number, because the mean of its divisors is an integer number (183662336).
Almost surely, 22130430143 is an apocalyptic number.
2130430143 is a deficient number, since it is larger than the sum of its proper divisors (808167233).
2130430143 is a wasteful number, since it uses less digits than its factorization.
2130430143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49974.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 2130430143 is about 46156.5828782851. The cubic root of 2130430143 is about 1286.7349561582.
Adding to 2130430143 its reverse (3410340312), we get a palindrome (5540770455).
The spelling of 2130430143 in words is "two billion, one hundred thirty million, four hundred thirty thousand, one hundred forty-three".
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