Base | Representation |
---|---|
bin | 1100011001100110100… |
… | …1111111111010010000 |
3 | 202100212112000101121112 |
4 | 3012121221333322100 |
5 | 11442242004234412 |
6 | 241510520312452 |
7 | 21251054232122 |
oct | 3063151777220 |
9 | 670775011545 |
10 | 213031321232 |
11 | 82389699774 |
12 | 35353912728 |
13 | 17120039342 |
14 | a44ca81212 |
15 | 581c511722 |
hex | 3199a7fe90 |
213031321232 has 20 divisors (see below), whose sum is σ = 412759038576. Its totient is φ = 106512859680.
The previous prime is 213031321177. The next prime is 213031321259. The reversal of 213031321232 is 232123130312.
It is a junction number, because it is equal to n+sod(n) for n = 213031321198 and 213031321207.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541223 + ... + 847929.
Almost surely, 2213031321232 is an apocalyptic number.
It is an amenable number.
213031321232 is a deficient number, since it is larger than the sum of its proper divisors (199727717344).
213031321232 is a wasteful number, since it uses less digits than its factorization.
213031321232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350126 (or 350120 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 213031321232 its reverse (232123130312), we get a palindrome (445154451544).
The spelling of 213031321232 in words is "two hundred thirteen billion, thirty-one million, three hundred twenty-one thousand, two hundred thirty-two".
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