Base | Representation |
---|---|
bin | 10011000010010110… |
… | …00010111100101010 |
3 | 222101021010222110011 |
4 | 21201023002330222 |
5 | 131412334021302 |
6 | 4410050442134 |
7 | 511160303233 |
oct | 114113027452 |
9 | 28337128404 |
10 | 10220220202 |
11 | 4375058785 |
12 | 1b9289334a |
13 | c6b50419a |
14 | 6cd4ca08a |
15 | 3ec3ad5d7 |
hex | 2612c2f2a |
10220220202 has 4 divisors (see below), whose sum is σ = 15330330306. Its totient is φ = 5110110100.
The previous prime is 10220220193. The next prime is 10220220203. The reversal of 10220220202 is 20202202201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20202202201 = 313 ⋅64543777.
It can be written as a sum of positive squares in only one way, i.e., 10219390281 + 829921 = 101091^2 + 911^2 .
It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (10220220203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555055049 + ... + 2555055052.
Almost surely, 210220220202 is an apocalyptic number.
10220220202 is a deficient number, since it is larger than the sum of its proper divisors (5110110104).
10220220202 is an equidigital number, since it uses as much as digits as its factorization.
10220220202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5110110103.
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 10220220202 its reverse (20202202201), we get a palindrome (30422422403).
The spelling of 10220220202 in words is "ten billion, two hundred twenty million, two hundred twenty thousand, two hundred two".
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