Base | Representation |
---|---|
bin | 11000010001010011… |
… | …11011110001000001 |
3 | 1020122002110021210122 |
4 | 30020221323301001 |
5 | 203141202043241 |
6 | 5552544310025 |
7 | 640620061442 |
oct | 141051736101 |
9 | 36562407718 |
10 | 13030112321 |
11 | 5587182276 |
12 | 2637912315 |
13 | 12c86b5b45 |
14 | 8b87672c9 |
15 | 513dee04b |
hex | 308a7bc41 |
13030112321 has 8 divisors (see below), whose sum is σ = 13072668840. Its totient is φ = 12987597312.
The previous prime is 13030112279. The next prime is 13030112327. The reversal of 13030112321 is 12321103031.
It can be written as a sum of positive squares in 4 ways, for example, as 1594804225 + 11435308096 = 39935^2 + 106936^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13030112321 - 218 = 13029850177 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 13030112321.
It is not an unprimeable number, because it can be changed into a prime (13030112327) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695351 + ... + 713843.
It is an arithmetic number, because the mean of its divisors is an integer number (1634083605).
Almost surely, 213030112321 is an apocalyptic number.
It is an amenable number.
13030112321 is a deficient number, since it is larger than the sum of its proper divisors (42556519).
13030112321 is a wasteful number, since it uses less digits than its factorization.
13030112321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20755.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13030112321 its reverse (12321103031), we get a palindrome (25351215352).
The spelling of 13030112321 in words is "thirteen billion, thirty million, one hundred twelve thousand, three hundred twenty-one".
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