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21200210211010 = 2518121155511011
BaseRepresentation
bin1001101001000000011101…
…11111111011000011000010
32210001201110002201102221011
410310200032333323003002
510234321012303223020
6113031124144151134
74315443654341005
oct464401677730302
983051402642834
1021200210211010
116833a5aa80836
1224648ab6084aa
13baa22c2bc64c
1453414a66553c
1526b6ed24635a
hex13480effb0c2

21200210211010 has 32 divisors (see below), whose sum is σ = 38553063966144. Its totient is φ = 8393264712000.

The previous prime is 21200210210917. The next prime is 21200210211083. The reversal of 21200210211010 is 1011201200212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27373596 + ... + 28137415.

It is an arithmetic number, because the mean of its divisors is an integer number (1204783248942).

Almost surely, 221200210211010 is an apocalyptic number.

21200210211010 is a deficient number, since it is larger than the sum of its proper divisors (17352853755134).

21200210211010 is a wasteful number, since it uses less digits than its factorization.

21200210211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511410.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21200210211010 its reverse (1011201200212), we get a palindrome (22211411411222).

The spelling of 21200210211010 in words is "twenty-one trillion, two hundred billion, two hundred ten million, two hundred eleven thousand, ten".

Divisors: 1 2 5 10 181 211 362 422 905 1055 1810 2110 38191 76382 190955 381910 55511011 111022022 277555055 555110110 10047492991 11712823321 20094985982 23425646642 50237464955 58564116605 100474929910 117128233210 2120021021101 4240042042202 10600105105505 21200210211010