Base | Representation |
---|---|
bin | 111110101001001… |
… | …1111101001001001 |
3 | 12102111021200012022 |
4 | 1331102133221021 |
5 | 13301103001301 |
6 | 544325054225 |
7 | 103042464320 |
oct | 17522375111 |
9 | 5374250168 |
10 | 2102000201 |
11 | 989584954 |
12 | 4a7b57375 |
13 | 27663b402 |
14 | 15d24b0b7 |
15 | c480ed1b |
hex | 7d49fa49 |
2102000201 has 4 divisors (see below), whose sum is σ = 2402285952. Its totient is φ = 1801714452.
The previous prime is 2102000171. The next prime is 2102000209. The reversal of 2102000201 is 1020002012.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2102000201 - 226 = 2034891337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2102000209) 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, 150142865 + ... + 150142878.
It is an arithmetic number, because the mean of its divisors is an integer number (600571488).
Almost surely, 22102000201 is an apocalyptic number.
It is an amenable number.
2102000201 is a deficient number, since it is larger than the sum of its proper divisors (300285751).
2102000201 is an equidigital number, since it uses as much as digits as its factorization.
2102000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300285750.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 2102000201 is about 45847.5757374368. The cubic root of 2102000201 is about 1280.9856098965.
Adding to 2102000201 its reverse (1020002012), we get a palindrome (3122002213).
It can be divided in two parts, 2 and 102000201, that multiplied together give a palindrome (204000402).
The spelling of 2102000201 in words is "two billion, one hundred two million, two hundred one", and thus it is an aban number.
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