Base | Representation |
---|---|
bin | 11110000111000001… |
… | …001101011000111101 |
3 | 10002110010121210021001 |
4 | 132013001031120331 |
5 | 1012202440342341 |
6 | 22504024210301 |
7 | 2223111366253 |
oct | 360701153075 |
9 | 102403553231 |
10 | 32330012221 |
11 | 127904a3771 |
12 | 6323309991 |
13 | 3083017960 |
14 | 17c9a8a5d3 |
15 | c93477d31 |
hex | 78704d63d |
32330012221 has 4 divisors (see below), whose sum is σ = 34816936252. Its totient is φ = 29843088192.
The previous prime is 32330012101. The next prime is 32330012237. The reversal of 32330012221 is 12221003323.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21954348900 + 10375663321 = 148170^2 + 101861^2 .
It is a cyclic number.
It is not a de Polignac number, because 32330012221 - 219 = 32329487933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32330012291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243461996 + ... + 1243462021.
It is an arithmetic number, because the mean of its divisors is an integer number (8704234063).
Almost surely, 232330012221 is an apocalyptic number.
It is an amenable number.
32330012221 is a deficient number, since it is larger than the sum of its proper divisors (2486924031).
32330012221 is a wasteful number, since it uses less digits than its factorization.
32330012221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2486924030.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 32330012221 its reverse (12221003323), we get a palindrome (44551015544).
The spelling of 32330012221 in words is "thirty-two billion, three hundred thirty million, twelve thousand, two hundred twenty-one".
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