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201311100130212 = 223217894993124883
BaseRepresentation
bin101101110001011101100100…
…100111001101001110100100
3222101210011010200211112212100
4231301131210213031032210
5202341240113113131322
61552053013115252100
760255150504455652
oct5561354447151644
9871704120745770
10201311100130212
1159164615943676
121a6b353414a030
13884372ac6b7b7
14379d71b4a5dd2
15184186c731dac
hexb717649cd3a4

201311100130212 has 36 divisors (see below), whose sum is σ = 508870172538000. Its totient is φ = 67103641070832.

The previous prime is 201311100130193. The next prime is 201311100130213. The reversal of 201311100130212 is 212031001113102.

201311100130212 is a `hidden beast` number, since 2 + 0 + 1 + 311 + 10 + 0 + 130 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201311100130213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62859523 + ... + 65984405.

It is an arithmetic number, because the mean of its divisors is an integer number (14135282570500).

Almost surely, 2201311100130212 is an apocalyptic number.

It is an amenable number.

201311100130212 is an abundant number, since it is smaller than the sum of its proper divisors (307559072407788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201311100130212 is a wasteful number, since it uses less digits than its factorization.

201311100130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914392 (or 4914387 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 201311100130212 its reverse (212031001113102), we get a palindrome (413342101243314).

The spelling of 201311100130212 in words is "two hundred one trillion, three hundred eleven billion, one hundred million, one hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 1789499 3124883 3578998 5368497 6249766 7157996 9374649 10736994 12499532 16105491 18749298 21473988 28123947 32210982 37498596 56247894 64421964 112495788 5591975003617 11183950007234 16775925010851 22367900014468 33551850021702 50327775032553 67103700043404 100655550065106 201311100130212