Base | Representation |
---|---|
bin | 1100010110111010111… |
… | …0100111100111000100 |
3 | 202022000022210222110102 |
4 | 3011232232213213010 |
5 | 11434303121042012 |
6 | 241311231543232 |
7 | 21224160451130 |
oct | 3055656474704 |
9 | 668008728412 |
10 | 212311112132 |
11 | 8204a0a6a39 |
12 | 3519268ab18 |
13 | 17036a72602 |
14 | a3c11663c0 |
15 | 57c919b2c2 |
hex | 316eba79c4 |
212311112132 has 24 divisors (see below), whose sum is σ = 434497162176. Its totient is φ = 88874418528.
The previous prime is 212311112131. The next prime is 212311112191. The reversal of 212311112132 is 231211113212.
It is not an unprimeable number, because it can be changed into a prime (212311112131) 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, 88167863 + ... + 88170270.
It is an arithmetic number, because the mean of its divisors is an integer number (18104048424).
Almost surely, 2212311112132 is an apocalyptic number.
It is an amenable number.
212311112132 is an abundant number, since it is smaller than the sum of its proper divisors (222186050044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212311112132 is a wasteful number, since it uses less digits than its factorization.
212311112132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176338187 (or 176338185 counting only the distinct ones).
The product of its digits is 144, while the sum is 20.
Adding to 212311112132 its reverse (231211113212), we get a palindrome (443522225344).
The spelling of 212311112132 in words is "two hundred twelve billion, three hundred eleven million, one hundred twelve thousand, one hundred thirty-two".
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