Base | Representation |
---|---|
bin | 11100101100011101… |
… | …110011001101011100 |
3 | 2221112020220211010211 |
4 | 130230131303031130 |
5 | 1001100024434013 |
6 | 22053153542204 |
7 | 2140343212264 |
oct | 345435631534 |
9 | 87466824124 |
10 | 30810780508 |
11 | 12080978472 |
12 | 5b7a574964 |
13 | 2ba0350b91 |
14 | 16c3dbc7a4 |
15 | c04dd023d |
hex | 72c77335c |
30810780508 has 24 divisors (see below), whose sum is σ = 54112363200. Its totient is φ = 15350200320.
The previous prime is 30810780463. The next prime is 30810780547. The reversal of 30810780508 is 80508701803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355485 + ... + 1378027.
It is an arithmetic number, because the mean of its divisors is an integer number (2254681800).
Almost surely, 230810780508 is an apocalyptic number.
It is an amenable number.
30810780508 is a deficient number, since it is larger than the sum of its proper divisors (23301582692).
30810780508 is a wasteful number, since it uses less digits than its factorization.
30810780508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23757 (or 23755 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 40.
The spelling of 30810780508 in words is "thirty billion, eight hundred ten million, seven hundred eighty thousand, five hundred eight".
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