Base | Representation |
---|---|
bin | 111111011110101… |
… | …1000011101101001 |
3 | 12111110000020102002 |
4 | 1332331120131221 |
5 | 13330241121301 |
6 | 551205420345 |
7 | 103532605301 |
oct | 17675303551 |
9 | 5443006362 |
10 | 2130020201 |
11 | 9a3382781 |
12 | 4b540a6b5 |
13 | 27c39c0aa |
14 | 162c62601 |
15 | c6ee716b |
hex | 7ef58769 |
2130020201 has 4 divisors (see below), whose sum is σ = 2131323012. Its totient is φ = 2128717392.
The previous prime is 2130020197. The next prime is 2130020203. The reversal of 2130020201 is 1020200312.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 395214400 + 1734805801 = 19880^2 + 41651^2 .
It is a cyclic number.
It is not a de Polignac number, because 2130020201 - 22 = 2130020197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2130020203) 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, 648950 + ... + 652223.
It is an arithmetic number, because the mean of its divisors is an integer number (532830753).
Almost surely, 22130020201 is an apocalyptic number.
It is an amenable number.
2130020201 is a deficient number, since it is larger than the sum of its proper divisors (1302811).
2130020201 is a wasteful number, since it uses less digits than its factorization.
2130020201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1302810.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 2130020201 is about 46152.1418896241. The cubic root of 2130020201 is about 1286.6524187513.
Adding to 2130020201 its reverse (1020200312), we get a palindrome (3150220513).
The spelling of 2130020201 in words is "two billion, one hundred thirty million, twenty thousand, two hundred one".
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