Base | Representation |
---|---|
bin | 10001111001111011100… |
… | …010001101101110001001 |
3 | 11100121222000011112022101 |
4 | 101321323202031232021 |
5 | 130124411400311241 |
6 | 2341130405553401 |
7 | 154616165514334 |
oct | 21717342155611 |
9 | 4317860145271 |
10 | 1230433213321 |
11 | 434907520764 |
12 | 17a571715861 |
13 | 8c04c64cb40 |
14 | 437a630161b |
15 | 22016888e31 |
hex | 11e7b88db89 |
1230433213321 has 32 divisors (see below), whose sum is σ = 1412951299200. Its totient is φ = 1061418187776.
The previous prime is 1230433213259. The next prime is 1230433213327. The reversal of 1230433213321 is 1233123340321.
It is a cyclic number.
It is not a de Polignac number, because 1230433213321 - 219 = 1230432689033 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1230433213321.
It is not an unprimeable number, because it can be changed into a prime (1230433213327) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129966030 + ... + 129975496.
It is an arithmetic number, because the mean of its divisors is an integer number (44154728100).
Almost surely, 21230433213321 is an apocalyptic number.
It is an amenable number.
1230433213321 is a deficient number, since it is larger than the sum of its proper divisors (182518085879).
1230433213321 is a wasteful number, since it uses less digits than its factorization.
1230433213321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13593.
The product of its (nonzero) digits is 7776, while the sum is 28.
Adding to 1230433213321 its reverse (1233123340321), we get a palindrome (2463556553642).
The spelling of 1230433213321 in words is "one trillion, two hundred thirty billion, four hundred thirty-three million, two hundred thirteen thousand, three hundred twenty-one".
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