Base | Representation |
---|---|
bin | 11100101100010101… |
… | …011010100011101110 |
3 | 2221112002210010212202 |
4 | 130230111122203232 |
5 | 1001043444114012 |
6 | 22053034501502 |
7 | 2140315425614 |
oct | 345425324356 |
9 | 87462703782 |
10 | 30808582382 |
11 | 1207a706a36 |
12 | 5b79894892 |
13 | 2b9ca61506 |
14 | 16c39a96b4 |
15 | c04ae8cc2 |
hex | 72c55a8ee |
30808582382 has 4 divisors (see below), whose sum is σ = 46212873576. Its totient is φ = 15404291190.
The previous prime is 30808582381. The next prime is 30808582411. The reversal of 30808582382 is 28328580803.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30808582381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7702145594 + ... + 7702145597.
It is an arithmetic number, because the mean of its divisors is an integer number (11553218394).
Almost surely, 230808582382 is an apocalyptic number.
30808582382 is a deficient number, since it is larger than the sum of its proper divisors (15404291194).
30808582382 is a wasteful number, since it uses less digits than its factorization.
30808582382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15404291193.
The product of its (nonzero) digits is 737280, while the sum is 47.
The spelling of 30808582382 in words is "thirty billion, eight hundred eight million, five hundred eighty-two thousand, three hundred eighty-two".
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