Base | Representation |
---|---|
bin | 111111011110110… |
… | …0011100000001111 |
3 | 12111110002112102222 |
4 | 1332331203200033 |
5 | 13330244043143 |
6 | 551210405555 |
7 | 103533154163 |
oct | 17675434017 |
9 | 5443075388 |
10 | 2130065423 |
11 | 9a3403752 |
12 | 4b54308bb |
13 | 27c3b6855 |
14 | 162c74ca3 |
15 | c7005768 |
hex | 7ef6380f |
2130065423 has 4 divisors (see below), whose sum is σ = 2130243528. Its totient is φ = 2129887320.
The previous prime is 2130065419. The next prime is 2130065447. The reversal of 2130065423 is 3245600312.
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 2130065423 - 22 = 2130065419 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2130065392 and 2130065401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130065123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69713 + ... + 95498.
It is an arithmetic number, because the mean of its divisors is an integer number (532560882).
Almost surely, 22130065423 is an apocalyptic number.
2130065423 is a deficient number, since it is larger than the sum of its proper divisors (178105).
2130065423 is a wasteful number, since it uses less digits than its factorization.
2130065423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178104.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 2130065423 is about 46152.6318101146. The cubic root of 2130065423 is about 1286.6615242336.
Adding to 2130065423 its reverse (3245600312), we get a palindrome (5375665735).
The spelling of 2130065423 in words is "two billion, one hundred thirty million, sixty-five thousand, four hundred twenty-three".
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