Search a number
-
+
2211203112213 = 343239464915427
BaseRepresentation
bin100000001011010101111…
…110011101110100010101
321211101111112202121021110
4200023111332131310111
5242212020444042323
64411451312405233
7315516450223554
oct40132576356425
97741445677243
102211203112213
11782847569007
122b8667546819
131306918b4914
14790467d3d9b
153c7b9c62793
hex202d5f9dd15

2211203112213 has 32 divisors (see below), whose sum is σ = 3030306048000. Its totient is φ = 1433427359616.

The previous prime is 2211203112187. The next prime is 2211203112241. The reversal of 2211203112213 is 3122113021122.

It is not a de Polignac number, because 2211203112213 - 212 = 2211203108117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211203112213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211203112113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143325606 + ... + 143341032.

It is an arithmetic number, because the mean of its divisors is an integer number (94697064000).

Almost surely, 22211203112213 is an apocalyptic number.

It is an amenable number.

2211203112213 is a deficient number, since it is larger than the sum of its proper divisors (819102935787).

2211203112213 is a wasteful number, since it uses less digits than its factorization.

2211203112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2211203112213 its reverse (3122113021122), we get a palindrome (5333316133335).

It can be divided in two parts, 221120 and 3112213, that added together give a palindrome (3333333).

The spelling of 2211203112213 in words is "two trillion, two hundred eleven billion, two hundred three million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 43 129 239 717 4649 10277 13947 15427 30831 46281 199907 599721 663361 1111111 1990083 3333333 3687053 11061159 47777773 71720123 143333319 158543279 215160369 475629837 3083965289 9251895867 17141109397 51423328191 737067704071 2211203112213