Base | Representation |
---|---|
bin | 1000001100110000… |
… | …1110101010101101 |
3 | 12200101121110100001 |
4 | 2003030032222231 |
5 | 14001430133401 |
6 | 1002223304301 |
7 | 105354241066 |
oct | 20314165255 |
9 | 5611543301 |
10 | 2201021101 |
11 | a2a467804 |
12 | 51514b091 |
13 | 290ccb366 |
14 | 16c46556d |
15 | cd36e601 |
hex | 8330eaad |
2201021101 has 4 divisors (see below), whose sum is σ = 2201118304. Its totient is φ = 2200923900.
The previous prime is 2201021051. The next prime is 2201021107. The reversal of 2201021101 is 1011201022.
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 a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2201021101 - 231 = 53537453 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 (2201021107) 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, 5266 + ... + 66556.
It is an arithmetic number, because the mean of its divisors is an integer number (550279576).
Almost surely, 22201021101 is an apocalyptic number.
It is an amenable number.
2201021101 is a deficient number, since it is larger than the sum of its proper divisors (97203).
2201021101 is an equidigital number, since it uses as much as digits as its factorization.
2201021101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97202.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2201021101 is about 46915.0413087317. The cubic root of 2201021101 is about 1300.7926331872.
Adding to 2201021101 its reverse (1011201022), we get a palindrome (3212222123).
The spelling of 2201021101 in words is "two billion, two hundred one million, twenty-one thousand, one hundred one".
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