Base | Representation |
---|---|
bin | 11100101100011101… |
… | …110011001101011010 |
3 | 2221112020220211010202 |
4 | 130230131303031122 |
5 | 1001100024434011 |
6 | 22053153542202 |
7 | 2140343212262 |
oct | 345435631532 |
9 | 87466824122 |
10 | 30810780506 |
11 | 12080978470 |
12 | 5b7a574962 |
13 | 2ba0350b8c |
14 | 16c3dbc7a2 |
15 | c04dd023b |
hex | 72c77335a |
30810780506 has 8 divisors (see below), whose sum is σ = 50417640864. Its totient is φ = 14004900220.
The previous prime is 30810780463. The next prime is 30810780547. The reversal of 30810780506 is 60508701803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30810780506.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700244990 + ... + 700245033.
It is an arithmetic number, because the mean of its divisors is an integer number (6302205108).
Almost surely, 230810780506 is an apocalyptic number.
30810780506 is a deficient number, since it is larger than the sum of its proper divisors (19606860358).
30810780506 is a wasteful number, since it uses less digits than its factorization.
30810780506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1400490036.
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 30810780506 in words is "thirty billion, eight hundred ten million, seven hundred eighty thousand, five hundred six".
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