Base | Representation |
---|---|
bin | 111110101001101… |
… | …0000011011000001 |
3 | 12102111122211021022 |
4 | 1331103100123001 |
5 | 13301130400001 |
6 | 544333235225 |
7 | 103044255656 |
oct | 17523203301 |
9 | 5374584238 |
10 | 2102200001 |
11 | 989700a80 |
12 | 4a8032b15 |
13 | 2766ab335 |
14 | 15d29dc2d |
15 | c484e11b |
hex | 7d4d06c1 |
2102200001 has 4 divisors (see below), whose sum is σ = 2293309104. Its totient is φ = 1911090900.
The previous prime is 2102199997. The next prime is 2102200007. The reversal of 2102200001 is 1000022012.
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 2102200001 - 22 = 2102199997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2102200007) 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, 95554535 + ... + 95554556.
It is an arithmetic number, because the mean of its divisors is an integer number (573327276).
Almost surely, 22102200001 is an apocalyptic number.
It is an amenable number.
2102200001 is a deficient number, since it is larger than the sum of its proper divisors (191109103).
2102200001 is a wasteful number, since it uses less digits than its factorization.
2102200001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191109102.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 2102200001 is about 45849.7546449269. The cubic root of 2102200001 is about 1281.0261954962.
Adding to 2102200001 its reverse (1000022012), we get a palindrome (3102222013).
The spelling of 2102200001 in words is "two billion, one hundred two million, two hundred thousand, one".
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