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21200223131301 = 326398327334423
BaseRepresentation
bin1001101001000000011111…
…10001001101011010100101
32210001201111000000212020110
410310200033301031122211
510234321024110200201
6113031125325123233
74315444202222334
oct464401761153245
983051430025213
1021200223131301
116833a672a5a65
1224648b39b9519
13baa231b944a6
1453414c269d1b
1526b6ee4496d6
hex13480fc4d6a5

21200223131301 has 16 divisors (see below), whose sum is σ = 28403309316096. Its totient is φ = 14065418859696.

The previous prime is 21200223131293. The next prime is 21200223131357. The reversal of 21200223131301 is 10313132200212.

It is not a de Polignac number, because 21200223131301 - 23 = 21200223131293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200223131201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12891625 + ... + 14442798.

It is an arithmetic number, because the mean of its divisors is an integer number (1775206832256).

Almost surely, 221200223131301 is an apocalyptic number.

It is an amenable number.

21200223131301 is a deficient number, since it is larger than the sum of its proper divisors (7203086184795).

21200223131301 is a wasteful number, since it uses less digits than its factorization.

21200223131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27335672.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21200223131301 its reverse (10313132200212), we get a palindrome (31513355331513).

The spelling of 21200223131301 in words is "twenty-one trillion, two hundred billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 3 263 789 983 2949 258529 775587 27334423 82003269 7188953249 21566859747 26869737809 80609213427 7066741043767 21200223131301