Base | Representation |
---|---|
bin | 111110100101101… |
… | …0010101101000101 |
3 | 12102100201202100020 |
4 | 1331023102231011 |
5 | 13300112042242 |
6 | 544220405353 |
7 | 103020442041 |
oct | 17513225505 |
9 | 5370652306 |
10 | 2100112197 |
11 | 988505417 |
12 | 4a73a6859 |
13 | 276129c51 |
14 | 15ccb9021 |
15 | c458a6ec |
hex | 7d2d2b45 |
2100112197 has 4 divisors (see below), whose sum is σ = 2800149600. Its totient is φ = 1400074796.
The previous prime is 2100112117. The next prime is 2100112207. The reversal of 2100112197 is 7912110012.
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 2100112197 - 220 = 2099063621 is a prime.
It is a super-3 number, since 3×21001121973 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100112117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350018697 + ... + 350018702.
It is an arithmetic number, because the mean of its divisors is an integer number (700037400).
Almost surely, 22100112197 is an apocalyptic number.
It is an amenable number.
2100112197 is a deficient number, since it is larger than the sum of its proper divisors (700037403).
2100112197 is an equidigital number, since it uses as much as digits as its factorization.
2100112197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 700037402.
The product of its (nonzero) digits is 252, while the sum is 24.
The square root of 2100112197 is about 45826.9811028394. The cubic root of 2100112197 is about 1280.6019704767.
The spelling of 2100112197 in words is "two billion, one hundred million, one hundred twelve thousand, one hundred ninety-seven".
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