Base | Representation |
---|---|
bin | 111111011110110… |
… | …1101010000111011 |
3 | 12111110011120021201 |
4 | 1332331231100323 |
5 | 13330301333103 |
6 | 551211315031 |
7 | 103533411556 |
oct | 17675552073 |
9 | 5443146251 |
10 | 2130105403 |
11 | 9a3430798 |
12 | 4b544ba77 |
13 | 27c3cbaca |
14 | 162c8569d |
15 | c701251d |
hex | 7ef6d43b |
2130105403 has 4 divisors (see below), whose sum is σ = 2130343488. Its totient is φ = 2129867320.
The previous prime is 2130105401. The next prime is 2130105407. The reversal of 2130105403 is 3045010312.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2130105403 - 21 = 2130105401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2130105401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105076 + ... + 123697.
It is an arithmetic number, because the mean of its divisors is an integer number (532585872).
Almost surely, 22130105403 is an apocalyptic number.
2130105403 is a deficient number, since it is larger than the sum of its proper divisors (238085).
2130105403 is an equidigital number, since it uses as much as digits as its factorization.
2130105403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238084.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 2130105403 is about 46153.0649361448. The cubic root of 2130105403 is about 1286.6695741282.
Adding to 2130105403 its reverse (3045010312), we get a palindrome (5175115715).
The spelling of 2130105403 in words is "two billion, one hundred thirty million, one hundred five thousand, four hundred three".
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