Base | Representation |
---|---|
bin | 11100001110001001… |
… | …010110011011001011 |
3 | 2220012210202100010010 |
4 | 130032021112123023 |
5 | 444024314300433 |
6 | 21530503123003 |
7 | 2121625425216 |
oct | 341611263313 |
9 | 86183670103 |
10 | 30302103243 |
11 | 1193a824735 |
12 | 5a58143463 |
13 | 2b1bb4b309 |
14 | 167660877d |
15 | bc5400e63 |
hex | 70e2566cb |
30302103243 has 8 divisors (see below), whose sum is σ = 40405498000. Its totient is φ = 20200055328.
The previous prime is 30302103211. The next prime is 30302103253. The reversal of 30302103243 is 34230120303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30302103243 - 25 = 30302103211 is a prime.
It is a super-2 number, since 2×303021032432 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30302103253) 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, 282988 + ... + 375081.
It is an arithmetic number, because the mean of its divisors is an integer number (5050687250).
Almost surely, 230302103243 is an apocalyptic number.
30302103243 is a deficient number, since it is larger than the sum of its proper divisors (10103394757).
30302103243 is a wasteful number, since it uses less digits than its factorization.
30302103243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 673421.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30302103243 its reverse (34230120303), we get a palindrome (64532223546).
The spelling of 30302103243 in words is "thirty billion, three hundred two million, one hundred three thousand, two hundred forty-three".
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