Base | Representation |
---|---|
bin | 111111011111011… |
… | …1010110100111110 |
3 | 12111110202201002100 |
4 | 1332332322310332 |
5 | 13330342014402 |
6 | 551222205530 |
7 | 103536204033 |
oct | 17676726476 |
9 | 5443681070 |
10 | 2130423102 |
11 | 9a3628455 |
12 | 4b55838a6 |
13 | 27c4b05b2 |
14 | 162d2938a |
15 | c707671c |
hex | 7efbad3e |
2130423102 has 24 divisors (see below), whose sum is σ = 4887441936. Its totient is φ = 668367936.
The previous prime is 2130423091. The next prime is 2130423103. The reversal of 2130423102 is 2013240312.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130423103) 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 11 ways as a sum of consecutive naturals, for example, 3480778 + ... + 3481389.
It is an arithmetic number, because the mean of its divisors is an integer number (203643414).
Almost surely, 22130423102 is an apocalyptic number.
2130423102 is an abundant number, since it is smaller than the sum of its proper divisors (2757018834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130423102 is a wasteful number, since it uses less digits than its factorization.
2130423102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6962192 (or 6962189 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2130423102 is about 46156.5066052447. The cubic root of 2130423102 is about 1286.7335386180.
Adding to 2130423102 its reverse (2013240312), we get a palindrome (4143663414).
The spelling of 2130423102 in words is "two billion, one hundred thirty million, four hundred twenty-three thousand, one hundred two".
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