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210210202020200 = 23521051051010101
BaseRepresentation
bin101111110010111101100000…
…011010110110100101101000
31000120021220021102001022122012
4233302331200122312211220
5210023040443204121300
62023025122245215052
762164120524451214
oct5762754032664550
91016256242038565
10210210202020200
1160a85711965318
121b6b018b401488
13903a9772376c5
1439ca329b43944
1519480b2e1c435
hexbf2f606b6968

210210202020200 has 24 divisors (see below), whose sum is σ = 488738719697430. Its totient is φ = 84084080808000.

The previous prime is 210210202020157. The next prime is 210210202020233. The reversal of 210210202020200 is 2020202012012.

It can be written as a sum of positive squares in 3 ways, for example, as 169122794297284 + 41087407722916 = 13004722^2 + 6409946^2 .

It is a super-2 number, since 2×2102102020202002 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525525504851 + ... + 525525505250.

Almost surely, 2210210202020200 is an apocalyptic number.

210210202020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210202020200 is an abundant number, since it is smaller than the sum of its proper divisors (278528517677230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210210202020200 is a wasteful number, since it uses less digits than its factorization.

210210202020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051051010117 (or 1051051010108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210210202020200 its reverse (2020202012012), we get a palindrome (212230404032212).

The spelling of 210210202020200 in words is "two hundred ten trillion, two hundred ten billion, two hundred two million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1051051010101 2102102020202 4204204040404 5255255050505 8408408080808 10510510101010 21021020202020 26276275252525 42042040404040 52552550505050 105105101010100 210210202020200