Base | Representation |
---|---|
bin | 1100011001111001101… |
… | …0000100000100010000 |
3 | 202101002002000000112022 |
4 | 3012132122010010100 |
5 | 11442422410430112 |
6 | 241522444551012 |
7 | 21253042603235 |
oct | 3063632040420 |
9 | 671062000468 |
10 | 213111030032 |
11 | 8241a69110a |
12 | 35376552468 |
13 | 171336c7004 |
14 | a4594ad78c |
15 | 5824508d72 |
hex | 319e684110 |
213111030032 has 40 divisors (see below), whose sum is σ = 427548807000. Its totient is φ = 102782876672.
The previous prime is 213111030017. The next prime is 213111030049. The reversal of 213111030032 is 230030111312.
It can be written as a sum of positive squares in 4 ways, for example, as 76273182976 + 136837847056 = 276176^2 + 369916^2 .
It is a super-2 number, since 2×2131110300322 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267818 + ... + 705654.
It is an arithmetic number, because the mean of its divisors is an integer number (10688720175).
Almost surely, 2213111030032 is an apocalyptic number.
It is an amenable number.
213111030032 is an abundant number, since it is smaller than the sum of its proper divisors (214437776968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213111030032 is a wasteful number, since it uses less digits than its factorization.
213111030032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438923 (or 438917 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 213111030032 its reverse (230030111312), we get a palindrome (443141141344).
The spelling of 213111030032 in words is "two hundred thirteen billion, one hundred eleven million, thirty thousand, thirty-two".
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