Base | Representation |
---|---|
bin | 1100011010101001110… |
… | …0111010000110000100 |
3 | 202101121011020100110010 |
4 | 3012222130322012010 |
5 | 11443331123232322 |
6 | 241554504030220 |
7 | 21261045311040 |
oct | 3065234720604 |
9 | 671534210403 |
10 | 213313102212 |
11 | 82513759a11 |
12 | 35412162370 |
13 | 17166528552 |
14 | a478271020 |
15 | 583712220c |
hex | 31aa73a184 |
213313102212 has 48 divisors (see below), whose sum is σ = 568865711232. Its totient is φ = 60943303680.
The previous prime is 213313102199. The next prime is 213313102271. The reversal of 213313102212 is 212201313312.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791412 + ... + 1906772.
It is an arithmetic number, because the mean of its divisors is an integer number (11851368984).
Almost surely, 2213313102212 is an apocalyptic number.
It is an amenable number.
213313102212 is an abundant number, since it is smaller than the sum of its proper divisors (355552609020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213313102212 is a wasteful number, since it uses less digits than its factorization.
213313102212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137388 (or 137386 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 213313102212 its reverse (212201313312), we get a palindrome (425514415524).
The spelling of 213313102212 in words is "two hundred thirteen billion, three hundred thirteen million, one hundred two thousand, two hundred twelve".
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