Base | Representation |
---|---|
bin | 1101000000111… |
… | …00110110110101 |
3 | 21121102102020002 |
4 | 12200130312311 |
5 | 210421420401 |
6 | 14455521045 |
7 | 2463634115 |
oct | 640346665 |
9 | 247372202 |
10 | 109170101 |
11 | 56695127 |
12 | 30689185 |
13 | 198046c1 |
14 | 106db045 |
15 | 98b6a6b |
hex | 681cdb5 |
109170101 has 2 divisors, whose sum is σ = 109170102. Its totient is φ = 109170100.
The previous prime is 109170043. The next prime is 109170109. The reversal of 109170101 is 101071901.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 87871876 + 21298225 = 9374^2 + 4615^2 .
It is a cyclic number.
It is not a de Polignac number, because 109170101 - 218 = 108907957 is a prime.
It is a super-2 number, since 2×1091701012 = 23836221904700402, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (109170109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54585050 + 54585051.
It is an arithmetic number, because the mean of its divisors is an integer number (54585051).
Almost surely, 2109170101 is an apocalyptic number.
It is an amenable number.
109170101 is a deficient number, since it is larger than the sum of its proper divisors (1).
109170101 is an equidigital number, since it uses as much as digits as its factorization.
109170101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 63, while the sum is 20.
The square root of 109170101 is about 10448.4496936148. The cubic root of 109170101 is about 477.9339745875.
The spelling of 109170101 in words is "one hundred nine million, one hundred seventy thousand, one hundred one".
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