Base | Representation |
---|---|
bin | 111110100101110… |
… | …1000101011011001 |
3 | 12102100220022210201 |
4 | 1331023220223121 |
5 | 13300122432301 |
6 | 544222342201 |
7 | 103021265326 |
oct | 17513505331 |
9 | 5370808721 |
10 | 2100202201 |
11 | 988566aa9 |
12 | 4a742a961 |
13 | 27615bbc6 |
14 | 15ccddb4d |
15 | c45a7201 |
hex | 7d2e8ad9 |
2100202201 has 4 divisors (see below), whose sum is σ = 2108374452. Its totient is φ = 2092029952.
The previous prime is 2100202171. The next prime is 2100202211. The reversal of 2100202201 is 1022020012.
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 1272776976 + 827425225 = 35676^2 + 28765^2 .
It is a cyclic number.
It is not a de Polignac number, because 2100202201 - 211 = 2100200153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2100202211) 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, 4085740 + ... + 4086253.
It is an arithmetic number, because the mean of its divisors is an integer number (527093613).
Almost surely, 22100202201 is an apocalyptic number.
It is an amenable number.
2100202201 is a deficient number, since it is larger than the sum of its proper divisors (8172251).
2100202201 is an equidigital number, since it uses as much as digits as its factorization.
2100202201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8172250.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 2100202201 is about 45827.9630902356. The cubic root of 2100202201 is about 1280.6202643649.
Adding to 2100202201 its reverse (1022020012), we get a palindrome (3122222213).
The spelling of 2100202201 in words is "two billion, one hundred million, two hundred two thousand, two hundred one".
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