Base | Representation |
---|---|
bin | 11100000100110011… |
… | …101100101100000000 |
3 | 2212210212221122000100 |
4 | 130010303230230000 |
5 | 443214212313240 |
6 | 21503145122400 |
7 | 2115013642533 |
oct | 340463545400 |
9 | 85725848010 |
10 | 30145432320 |
11 | 1186a346533 |
12 | 5a13789400 |
13 | 2ac5554c23 |
14 | 165d8a4a1a |
15 | bb67a4e30 |
hex | 704cecb00 |
30145432320 has 108 divisors (see below), whose sum is σ = 104300095536. Its totient is φ = 8038778880.
The previous prime is 30145432309. The next prime is 30145432367. The reversal of 30145432320 is 2323454103.
30145432320 is a `hidden beast` number, since 301 + 4 + 5 + 4 + 32 + 320 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1296876 + ... + 1319915.
Almost surely, 230145432320 is an apocalyptic number.
30145432320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30145432320 is an abundant number, since it is smaller than the sum of its proper divisors (74154663216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30145432320 is a wasteful number, since it uses less digits than its factorization.
30145432320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2616818 (or 2616801 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 30145432320 its reverse (2323454103), we get a palindrome (32468886423).
The spelling of 30145432320 in words is "thirty billion, one hundred forty-five million, four hundred thirty-two thousand, three hundred twenty".
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