Base | Representation |
---|---|
bin | 1100011001100100011… |
… | …0100100000101010100 |
3 | 202100211212112110110202 |
4 | 3012121012210011110 |
5 | 11442232120012322 |
6 | 241505545240032 |
7 | 21250612253333 |
oct | 3063106440524 |
9 | 670755473422 |
10 | 213022032212 |
11 | 823844247a0 |
12 | 35350793018 |
13 | 1711b136292 |
14 | a44b743d1a |
15 | 581b7c9292 |
hex | 31991a4154 |
213022032212 has 24 divisors (see below), whose sum is σ = 407768747232. Its totient is φ = 96568596000.
The previous prime is 213022032191. The next prime is 213022032287. The reversal of 213022032212 is 212230220312.
It is a happy number.
It is a super-2 number, since 2×2130220322122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 6473414 + ... + 6506237.
It is an arithmetic number, because the mean of its divisors is an integer number (16990364468).
Almost surely, 2213022032212 is an apocalyptic number.
213022032212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
213022032212 is a deficient number, since it is larger than the sum of its proper divisors (194746715020).
213022032212 is a wasteful number, since it uses less digits than its factorization.
213022032212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12980039 (or 12980037 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 213022032212 its reverse (212230220312), we get a palindrome (425252252524).
The spelling of 213022032212 in words is "two hundred thirteen billion, twenty-two million, thirty-two thousand, two hundred twelve".
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