Base | Representation |
---|---|
bin | 1100000000111010100… |
… | …1100010111011011010 |
3 | 201201202122220212100120 |
4 | 3000032221202323122 |
5 | 11340203433432302 |
6 | 234453142214110 |
7 | 20624613525312 |
oct | 3001651427332 |
9 | 651678825316 |
10 | 206404202202 |
11 | 7a5988780a0 |
12 | 34004424336 |
13 | 1660506b133 |
14 | 9dc086a442 |
15 | 55808009bc |
hex | 300ea62eda |
206404202202 has 64 divisors (see below), whose sum is σ = 456201607680. Its totient is φ = 61737336000.
The previous prime is 206404202189. The next prime is 206404202209. The reversal of 206404202202 is 202202404602.
It is not an unprimeable number, because it can be changed into a prime (206404202209) 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, 1522077 + ... + 1652127.
It is an arithmetic number, because the mean of its divisors is an integer number (7128150120).
Almost surely, 2206404202202 is an apocalyptic number.
206404202202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 206404202202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228100803840).
206404202202 is an abundant number, since it is smaller than the sum of its proper divisors (249797405478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206404202202 is a wasteful number, since it uses less digits than its factorization.
206404202202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130379.
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 206404202202 its reverse (202202404602), we get a palindrome (408606606804).
The spelling of 206404202202 in words is "two hundred six billion, four hundred four million, two hundred two thousand, two hundred two".
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