Search a number
-
+
21202010021183 is a prime number
BaseRepresentation
bin1001101001000011110100…
…10001101001110100111111
32210001220002112101021100012
410310201322101221310333
510234333204031134213
6113032022520253435
74315536400434665
oct464417221516477
983056075337305
1021202010021183
1168347a3a15862
12246511231127b
13baa458144194
1453427b6ccc35
1526b7a62634a8
hex13487a469d3f

21202010021183 has 2 divisors, whose sum is σ = 21202010021184. Its totient is φ = 21202010021182.

The previous prime is 21202010021089. The next prime is 21202010021189. The reversal of 21202010021183 is 38112001020212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202010021183 - 222 = 21202005826879 is a prime.

It is a super-2 number, since 2×212020100211832 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21202010021189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601005010591 + 10601005010592.

It is an arithmetic number, because the mean of its divisors is an integer number (10601005010592).

Almost surely, 221202010021183 is an apocalyptic number.

21202010021183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202010021183 is an equidigital number, since it uses as much as digits as its factorization.

21202010021183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 21202010021183 its reverse (38112001020212), we get a palindrome (59314011041395).

The spelling of 21202010021183 in words is "twenty-one trillion, two hundred two billion, ten million, twenty-one thousand, one hundred eighty-three".