Base | Representation |
---|---|
bin | 1100011010010001111… |
… | …1110011111011110000 |
3 | 202101100012020210112100 |
4 | 3012210133303323300 |
5 | 11443130034400422 |
6 | 241540534500400 |
7 | 21255423204213 |
oct | 3064437637360 |
9 | 671305223470 |
10 | 213213200112 |
11 | 82472324aa0 |
12 | 353a4804700 |
13 | 1714b91a493 |
14 | a468ca777a |
15 | 582d48b7ac |
hex | 31a47f3ef0 |
213213200112 has 60 divisors (see below), whose sum is σ = 650946365784. Its totient is φ = 64610060160.
The previous prime is 213213200069. The next prime is 213213200119. The reversal of 213213200112 is 211002312312.
213213200112 is a `hidden beast` number, since 21 + 321 + 320 + 0 + 1 + 1 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213213200119) 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, 67300563 + ... + 67303730.
Almost surely, 2213213200112 is an apocalyptic number.
213213200112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
213213200112 is an abundant number, since it is smaller than the sum of its proper divisors (437733165672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213213200112 is a wasteful number, since it uses less digits than its factorization.
213213200112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134604318 (or 134604309 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 213213200112 its reverse (211002312312), we get a palindrome (424215512424).
The spelling of 213213200112 in words is "two hundred thirteen billion, two hundred thirteen million, two hundred thousand, one hundred twelve".
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