Base | Representation |
---|---|
bin | 11100001110001001… |
… | …010110011010110000 |
3 | 2220012210202100002010 |
4 | 130032021112122300 |
5 | 444024314300331 |
6 | 21530503122520 |
7 | 2121625425150 |
oct | 341611263260 |
9 | 86183670063 |
10 | 30302103216 |
11 | 1193a824710 |
12 | 5a58143440 |
13 | 2b1bb4b2b8 |
14 | 1676608760 |
15 | bc5400e46 |
hex | 70e2566b0 |
30302103216 has 160 divisors (see below), whose sum is σ = 97664606208. Its totient is φ = 7865176320.
The previous prime is 30302103211. The next prime is 30302103253. The reversal of 30302103216 is 61230120303.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 30302103192 and 30302103201.
It is not an unprimeable number, because it can be changed into a prime (30302103211) 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, 10225351 + ... + 10228313.
Almost surely, 230302103216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30302103216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48832303104).
30302103216 is an abundant number, since it is smaller than the sum of its proper divisors (67362502992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302103216 is a wasteful number, since it uses less digits than its factorization.
30302103216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5759 (or 5753 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 30302103216 its reverse (61230120303), we get a palindrome (91532223519).
The spelling of 30302103216 in words is "thirty billion, three hundred two million, one hundred three thousand, two hundred sixteen".
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