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20210211011110 = 2517223304050113
BaseRepresentation
bin1001001100001100011100…
…11100101011101000100110
32122120002002100120022002211
410212012032130223220212
510122111003004323420
6110552235345354034
74154065604105401
oct446061634535046
978502070508084
1020210211011110
116492114266a9a
122324a5a93891a
13b37a78c31503
144dc27250cd38
15250aa9999e5a
hex12618e72ba26

20210211011110 has 48 divisors (see below), whose sum is σ = 40324342319136. Its totient is φ = 7277743480832.

The previous prime is 20210211011047. The next prime is 20210211011117. The reversal of 20210211011110 is 1111011201202.

It is a happy number.

It is a super-2 number, since 2×202102110111102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210211011117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151958587 + ... + 152091526.

It is an arithmetic number, because the mean of its divisors is an integer number (840090464982).

Almost surely, 220210211011110 is an apocalyptic number.

20210211011110 is a deficient number, since it is larger than the sum of its proper divisors (20114131308026).

20210211011110 is a wasteful number, since it uses less digits than its factorization.

20210211011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304050177 (or 304050160 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20210211011110 its reverse (1111011201202), we get a palindrome (21321222212312).

The spelling of 20210211011110 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 17 23 34 46 85 115 170 230 289 391 578 782 1445 1955 2890 3910 6647 13294 33235 66470 304050113 608100226 1520250565 3040501130 5168851921 6993152599 10337703842 13986305198 25844259605 34965762995 51688519210 69931525990 87870482657 118883594183 175740965314 237767188366 439352413285 594417970915 878704826570 1188835941830 2021021101111 4042042202222 10105105505555 20210211011110