Base | Representation |
---|---|
bin | 1100000100000… |
… | …11010011010101 |
3 | 21001102112211020 |
4 | 12002003103111 |
5 | 201401413414 |
6 | 14013031353 |
7 | 2336123652 |
oct | 602032325 |
9 | 231375736 |
10 | 101201109 |
11 | 52141989 |
12 | 29a85559 |
13 | 17c74419 |
14 | d624c29 |
15 | 8d407a9 |
hex | 60834d5 |
101201109 has 8 divisors (see below), whose sum is σ = 134982432. Its totient is φ = 67443600.
The previous prime is 101201077. The next prime is 101201123. The reversal of 101201109 is 901102101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101201109 - 25 = 101201077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101201129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10327 + ... + 17579.
It is an arithmetic number, because the mean of its divisors is an integer number (16872804).
Almost surely, 2101201109 is an apocalyptic number.
It is an amenable number.
101201109 is a deficient number, since it is larger than the sum of its proper divisors (33781323).
101201109 is an equidigital number, since it uses as much as digits as its factorization.
101201109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11907.
The product of its (nonzero) digits is 18, while the sum is 15.
The square root of 101201109 is about 10059.8761920811. The cubic root of 101201109 is about 466.0098437138.
The spelling of 101201109 in words is "one hundred one million, two hundred one thousand, one hundred nine".
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