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210221010010202 = 21720751729795009
BaseRepresentation
bin101111110011000111100100…
…101000000100000001011010
31000120022221011122012002200012
4233303013210220010001122
5210023230112030311302
62023034110534041522
762164652413035152
oct5763074450040132
91016287148162605
10210221010010202
1160a8a258778164
121b6b22a6aa92a2
13903b9aa444769
1439caa73311762
1519484e6bcea52
hexbf31e4a0405a

210221010010202 has 16 divisors (see below), whose sum is σ = 333882047799720. Its totient is φ = 98927054082048.

The previous prime is 210221010010153. The next prime is 210221010010217. The reversal of 210221010010202 is 202010010122012.

It can be written as a sum of positive squares in 4 ways, for example, as 210035773597321 + 185236412881 = 14492611^2 + 430391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841927 + ... + 21953082.

Almost surely, 2210221010010202 is an apocalyptic number.

210221010010202 is a deficient number, since it is larger than the sum of its proper divisors (123661037789518).

210221010010202 is a wasteful number, since it uses less digits than its factorization.

210221010010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30002545.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210221010010202 its reverse (202010010122012), we get a palindrome (412231020132214).

The spelling of 210221010010202 in words is "two hundred ten trillion, two hundred twenty-one billion, ten million, ten thousand, two hundred two".

Divisors: 1 2 17 34 207517 415034 3527789 7055578 29795009 59590018 506515153 1013030306 6182970882653 12365941765306 105110505005101 210221010010202