Base | Representation |
---|---|
bin | 11010001111001… |
… | …11011000000101 |
3 | 120100011020120121 |
4 | 31013213120011 |
5 | 422321200401 |
6 | 33501301541 |
7 | 5311551154 |
oct | 1507473005 |
9 | 510136517 |
10 | 220100101 |
11 | 103271511 |
12 | 618648b1 |
13 | 367a4160 |
14 | 2133559b |
15 | 144c9ca1 |
hex | d1e7605 |
220100101 has 8 divisors (see below), whose sum is σ = 242543840. Its totient is φ = 198443952.
The previous prime is 220100099. The next prime is 220100117. The reversal of 220100101 is 101001022.
220100101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220100101 - 21 = 220100099 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 (220100141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196311 + ... + 197428.
It is an arithmetic number, because the mean of its divisors is an integer number (30317980).
Almost surely, 2220100101 is an apocalyptic number.
It is an amenable number.
220100101 is a deficient number, since it is larger than the sum of its proper divisors (22443739).
220100101 is a wasteful number, since it uses less digits than its factorization.
220100101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393795.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 220100101 is about 14835.7709944580. The cubic root of 220100101 is about 603.7726190075.
Adding to 220100101 its reverse (101001022), we get a palindrome (321101123).
The spelling of 220100101 in words is "two hundred twenty million, one hundred thousand, one hundred one".
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