Search a number
-
+
212000111112102 = 23291218391443173
BaseRepresentation
bin110000001101000000011111…
…010100001010111110100110
31000210122000100020210020111220
4300031000133110022332212
5210241402211421041402
62030515301225041210
762440334245633155
oct6015003724127646
91023560306706456
10212000111112102
1161605818989335
121b93b060326206
13913a6a89b3071
143a4cc0828759c
151979921b0bdbc
hexc0d01f50afa6

212000111112102 has 16 divisors (see below), whose sum is σ = 438620919542640. Its totient is φ = 68229920817632.

The previous prime is 212000111112043. The next prime is 212000111112109. The reversal of 212000111112102 is 201211111000212.

It is a happy number.

It is a super-2 number, since 2×2120001111121022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000111112109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609195721413 + ... + 609195721760.

It is an arithmetic number, because the mean of its divisors is an integer number (27413807471415).

Almost surely, 2212000111112102 is an apocalyptic number.

212000111112102 is an abundant number, since it is smaller than the sum of its proper divisors (226620808430538).

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

212000111112102 is a wasteful number, since it uses less digits than its factorization.

212000111112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218391443207.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212000111112102 its reverse (201211111000212), we get a palindrome (413211222112314).

The spelling of 212000111112102 in words is "two hundred twelve trillion, one hundred eleven million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 29 58 87 174 1218391443173 2436782886346 3655174329519 7310348659038 35333351852017 70666703704034 106000055556051 212000111112102