Base | Representation |
---|---|
bin | 11100010000101001… |
… | …001110010110010000 |
3 | 2220022201121120202202 |
4 | 130100221032112100 |
5 | 444121031410300 |
6 | 21535001302332 |
7 | 2122644566534 |
oct | 342051162620 |
9 | 86281546682 |
10 | 30344013200 |
11 | 1196144a266 |
12 | 5a6a1949a8 |
13 | 2b277332c7 |
14 | 167bdd7bc4 |
15 | bc8e2dad5 |
hex | 710a4e590 |
30344013200 has 30 divisors (see below), whose sum is σ = 72901492674. Its totient is φ = 12137605120.
The previous prime is 30344013197. The next prime is 30344013221. The reversal of 30344013200 is 231044303.
It can be written as a sum of positive squares in 3 ways, for example, as 6111486976 + 24232526224 = 78176^2 + 155668^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37929617 + ... + 37930416.
Almost surely, 230344013200 is an apocalyptic number.
It is an amenable number.
30344013200 is an abundant number, since it is smaller than the sum of its proper divisors (42557479474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30344013200 is a wasteful number, since it uses less digits than its factorization.
30344013200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75860051 (or 75860040 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 30344013200 its reverse (231044303), we get a palindrome (30575057503).
The spelling of 30344013200 in words is "thirty billion, three hundred forty-four million, thirteen thousand, two hundred".
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