Base | Representation |
---|---|
bin | 111100110011110… |
… | …000010100001010 |
3 | 2122002200112120200 |
4 | 330303300110022 |
5 | 4042132401302 |
6 | 245122233030 |
7 | 34165362420 |
oct | 7463602412 |
9 | 2562615520 |
10 | 1020200202 |
11 | 48397056a |
12 | 2457b5776 |
13 | 133490778 |
14 | 996c9110 |
15 | 5e87181c |
hex | 3ccf050a |
1020200202 has 24 divisors (see below), whose sum is σ = 2526210336. Its totient is φ = 291485736.
The previous prime is 1020200201. The next prime is 1020200219. The reversal of 1020200202 is 2020020201.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (1020200201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4048288 + ... + 4048539.
It is an arithmetic number, because the mean of its divisors is an integer number (105258764).
Almost surely, 21020200202 is an apocalyptic number.
1020200202 is an abundant number, since it is smaller than the sum of its proper divisors (1506010134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020200202 is a wasteful number, since it uses less digits than its factorization.
1020200202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8096842 (or 8096839 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 1020200202 is about 31940.5729754493. The cubic root of 1020200202 is about 1006.6885640360.
Adding to 1020200202 its reverse (2020020201), we get a palindrome (3040220403).
The spelling of 1020200202 in words is "one billion, twenty million, two hundred thousand, two hundred two".
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