Base | Representation |
---|---|
bin | 10001111001110011110… |
… | …010010101100100000101 |
3 | 11100121121221120021202210 |
4 | 101321303302111210011 |
5 | 130124130111101041 |
6 | 2341105443454033 |
7 | 154613026561056 |
oct | 21716362254405 |
9 | 4317557507683 |
10 | 1230303222021 |
11 | 434850105335 |
12 | 17a536087319 |
13 | 8c02b738303 |
14 | 43792d4472d |
15 | 2200a25d016 |
hex | 11e73c95905 |
1230303222021 has 16 divisors (see below), whose sum is σ = 1773410052800. Its totient is φ = 756032704128.
The previous prime is 1230303222013. The next prime is 1230303222047. The reversal of 1230303222021 is 1202223030321.
It is a happy number.
It is not a de Polignac number, because 1230303222021 - 23 = 1230303222013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230303222091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291677176 + ... + 291681393.
It is an arithmetic number, because the mean of its divisors is an integer number (110838128300).
Almost surely, 21230303222021 is an apocalyptic number.
It is an amenable number.
1230303222021 is a deficient number, since it is larger than the sum of its proper divisors (543106830779).
1230303222021 is a wasteful number, since it uses less digits than its factorization.
1230303222021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 583358628.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 1230303222021 its reverse (1202223030321), we get a palindrome (2432526252342).
The spelling of 1230303222021 in words is "one trillion, two hundred thirty billion, three hundred three million, two hundred twenty-two thousand, twenty-one".
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