Base | Representation |
---|---|
bin | 1000010001010101… |
… | …1001100001110101 |
3 | 12201201200221201110 |
4 | 2010111121201311 |
5 | 14021332431401 |
6 | 1004150345233 |
7 | 106006256265 |
oct | 20425314165 |
9 | 5651627643 |
10 | 2220202101 |
11 | a3a278777 |
12 | 51b65b219 |
13 | 294c85a70 |
14 | 170c197a5 |
15 | cedac9d6 |
hex | 84559875 |
2220202101 has 32 divisors (see below), whose sum is σ = 3268101760. Its totient is φ = 1332059904.
The previous prime is 2220202093. The next prime is 2220202129. The reversal of 2220202101 is 1012020222.
It is not a de Polignac number, because 2220202101 - 23 = 2220202093 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 (2220202141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1389435 + ... + 1391031.
It is an arithmetic number, because the mean of its divisors is an integer number (102128180).
Almost surely, 22220202101 is an apocalyptic number.
It is an amenable number.
2220202101 is a deficient number, since it is larger than the sum of its proper divisors (1047899659).
2220202101 is a wasteful number, since it uses less digits than its factorization.
2220202101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2485.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2220202101 is about 47119.0205861709. The cubic root of 2220202101 is about 1304.5603351478.
Adding to 2220202101 its reverse (1012020222), we get a palindrome (3232222323).
The spelling of 2220202101 in words is "two billion, two hundred twenty million, two hundred two thousand, one hundred one".
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