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210212011112210 = 2525781794556853
BaseRepresentation
bin101111110010111111001100…
…001111111111011100010010
31000120022001221111011201022222
4233302333030033333130102
5210023103144321042320
62023030021552301042
762164213412464022
oct5762771417773422
91016261844151288
10210212011112210
1160a86460069988
121b6b05b5241782
13903aba4c8bc53
1439ca45c105a82
15194816bb6e825
hexbf2fcc3ff712

210212011112210 has 16 divisors (see below), whose sum is σ = 379853922029976. Its totient is φ = 83757626216448.

The previous prime is 210212011112197. The next prime is 210212011112251. The reversal of 210212011112210 is 12211110212012.

It can be written as a sum of positive squares in 4 ways, for example, as 209292381897481 + 919629214729 = 14466941^2 + 958973^2 .

It is a super-2 number, since 2×2102120111122102 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40897275857 + ... + 40897280996.

Almost surely, 2210212011112210 is an apocalyptic number.

210212011112210 is a deficient number, since it is larger than the sum of its proper divisors (169641910917766).

210212011112210 is a wasteful number, since it uses less digits than its factorization.

210212011112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81794557117.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210212011112210 its reverse (12211110212012), we get a palindrome (222423121324222).

The spelling of 210212011112210 in words is "two hundred ten trillion, two hundred twelve billion, eleven million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 257 514 1285 2570 81794556853 163589113706 408972784265 817945568530 21021201111221 42042402222442 105106005556105 210212011112210