Base | Representation |
---|---|
bin | 11100101100100000… |
… | …111111010000110100 |
3 | 2221112022111021122101 |
4 | 130230200333100310 |
5 | 1001100233210213 |
6 | 22053223511444 |
7 | 2140353263104 |
oct | 345440772064 |
9 | 87468437571 |
10 | 30811616308 |
11 | 12081399410 |
12 | 5b7a8b8584 |
13 | 2ba0584435 |
14 | 16c4159204 |
15 | c04ee7bdd |
hex | 72c83f434 |
30811616308 has 24 divisors (see below), whose sum is σ = 59404582944. Its totient is φ = 13866612000.
The previous prime is 30811616291. The next prime is 30811616327. The reversal of 30811616308 is 80361611803.
It is a super-2 number, since 2×308116163082 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 3462210 + ... + 3471097.
It is an arithmetic number, because the mean of its divisors is an integer number (2475190956).
Almost surely, 230811616308 is an apocalyptic number.
It is an amenable number.
30811616308 is a deficient number, since it is larger than the sum of its proper divisors (28592966636).
30811616308 is a wasteful number, since it uses less digits than its factorization.
30811616308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6933423 (or 6933421 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The spelling of 30811616308 in words is "thirty billion, eight hundred eleven million, six hundred sixteen thousand, three hundred eight".
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