Base | Representation |
---|---|
bin | 11100101010010110… |
… | …011110110010100000 |
3 | 2221102210011121012220 |
4 | 130222112132302200 |
5 | 1001011434314144 |
6 | 22045445351040 |
7 | 2136432540231 |
oct | 345226366240 |
9 | 87383147186 |
10 | 30775307424 |
11 | 12062949a74 |
12 | 5b6a708480 |
13 | 2b95bb09a4 |
14 | 16bd3c7088 |
15 | c01c24919 |
hex | 72a59eca0 |
30775307424 has 48 divisors (see below), whose sum is σ = 81208189440. Its totient is φ = 10204720640.
The previous prime is 30775307401. The next prime is 30775307473. The reversal of 30775307424 is 42470357703.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820869 + ... + 857540.
It is an arithmetic number, because the mean of its divisors is an integer number (1691837280).
Almost surely, 230775307424 is an apocalyptic number.
It is an amenable number.
30775307424 is an abundant number, since it is smaller than the sum of its proper divisors (50432882016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30775307424 is a wasteful number, since it uses less digits than its factorization.
30775307424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1678613 (or 1678605 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 42.
The spelling of 30775307424 in words is "thirty billion, seven hundred seventy-five million, three hundred seven thousand, four hundred twenty-four".
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