Base | Representation |
---|---|
bin | 1100000010100… |
… | …10011110001101 |
3 | 21001001101110112 |
4 | 12001102132031 |
5 | 201324013401 |
6 | 14004445405 |
7 | 2334331565 |
oct | 601223615 |
9 | 231041415 |
10 | 101001101 |
11 | 52015693 |
12 | 299a9865 |
13 | 17c04386 |
14 | d5b1da5 |
15 | 8d013bb |
hex | 605278d |
101001101 has 4 divisors (see below), whose sum is σ = 101022012. Its totient is φ = 100980192.
The previous prime is 101001091. The next prime is 101001133. The reversal of 101001101 is 101100101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101100101 = 431 ⋅234571.
It can be written as a sum of positive squares in 2 ways, for example, as 75255625 + 25745476 = 8675^2 + 5074^2 .
It is a cyclic number.
It is not a de Polignac number, because 101001101 - 26 = 101001037 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 (101001181) 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, 905 + ... + 14241.
It is an arithmetic number, because the mean of its divisors is an integer number (25255503).
Almost surely, 2101001101 is an apocalyptic number.
It is an amenable number.
101001101 is a deficient number, since it is larger than the sum of its proper divisors (20911).
101001101 is an equidigital number, since it uses as much as digits as its factorization.
101001101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20910.
The product of its (nonzero) digits is 1, while the sum is 5.
The square root of 101001101 is about 10049.9303977689. The cubic root of 101001101 is about 465.7026429747.
Adding to 101001101 its reverse (101100101), we get a palindrome (202101202).
The spelling of 101001101 in words is "one hundred one million, one thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •