Base | Representation |
---|---|
bin | 111111011110101… |
… | …1000011011001011 |
3 | 12111110000020012020 |
4 | 1332331120123023 |
5 | 13330241120133 |
6 | 551205415523 |
7 | 103532604654 |
oct | 17675303313 |
9 | 5443006166 |
10 | 2130020043 |
11 | 9a3382648 |
12 | 4b540a5a3 |
13 | 27c39bcb8 |
14 | 162c6252b |
15 | c6ee70b3 |
hex | 7ef586cb |
2130020043 has 24 divisors (see below), whose sum is σ = 2961344256. Its totient is φ = 1361724000.
The previous prime is 2130020017. The next prime is 2130020059. The reversal of 2130020043 is 3400200312.
It is not a de Polignac number, because 2130020043 - 221 = 2127922891 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2130020443) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378178 + ... + 383768.
It is an arithmetic number, because the mean of its divisors is an integer number (123389344).
Almost surely, 22130020043 is an apocalyptic number.
2130020043 is a deficient number, since it is larger than the sum of its proper divisors (831324213).
2130020043 is a wasteful number, since it uses less digits than its factorization.
2130020043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5803 (or 5774 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 2130020043 is about 46152.1401778942. The cubic root of 2130020043 is about 1286.6523869377.
Adding to 2130020043 its reverse (3400200312), we get a palindrome (5530220355).
The spelling of 2130020043 in words is "two billion, one hundred thirty million, twenty thousand, forty-three".
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