Base | Representation |
---|---|
bin | 100001010010101… |
… | …1010000001110101 |
3 | 2212212000200010110 |
4 | 1002211122001311 |
5 | 4241434232242 |
6 | 302503213233 |
7 | 36453132501 |
oct | 10245320165 |
9 | 2785020113 |
10 | 1117102197 |
11 | 523636462 |
12 | 272147219 |
13 | 14a58b123 |
14 | a8511301 |
15 | 6811339c |
hex | 4295a075 |
1117102197 has 4 divisors (see below), whose sum is σ = 1489469600. Its totient is φ = 744734796.
The previous prime is 1117102183. The next prime is 1117102199. The reversal of 1117102197 is 7912017111.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 7912017111 = 3 ⋅2637339037.
It is not a de Polignac number, because 1117102197 - 210 = 1117101173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1117102199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186183697 + ... + 186183702.
It is an arithmetic number, because the mean of its divisors is an integer number (372367400).
Almost surely, 21117102197 is an apocalyptic number.
It is an amenable number.
1117102197 is a deficient number, since it is larger than the sum of its proper divisors (372367403).
1117102197 is an equidigital number, since it uses as much as digits as its factorization.
1117102197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 372367402.
The product of its (nonzero) digits is 882, while the sum is 30.
The square root of 1117102197 is about 33423.0788079136. The cubic root of 1117102197 is about 1037.6024024729.
The spelling of 1117102197 in words is "one billion, one hundred seventeen million, one hundred two thousand, one hundred ninety-seven".
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