Base | Representation |
---|---|
bin | 11100100101001000… |
… | …101001010111111011 |
3 | 2221012200111111022021 |
4 | 130211020221113323 |
5 | 1000322033412213 |
6 | 22033041535311 |
7 | 2134320644110 |
oct | 344510512773 |
9 | 87180444267 |
10 | 30687794683 |
11 | 12018507397 |
12 | 5b45344537 |
13 | 2b80a1cbc0 |
14 | 16b1926907 |
15 | be91d9d8d |
hex | 7252295fb |
30687794683 has 16 divisors (see below), whose sum is σ = 37783307520. Its totient is φ = 24271636896.
The previous prime is 30687794617. The next prime is 30687794701. The reversal of 30687794683 is 38649778603.
It is not a de Polignac number, because 30687794683 - 229 = 30150923771 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30687792683) 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 in 15 ways as a sum of consecutive naturals, for example, 196716 + ... + 316342.
It is an arithmetic number, because the mean of its divisors is an integer number (2361456720).
Almost surely, 230687794683 is an apocalyptic number.
30687794683 is a deficient number, since it is larger than the sum of its proper divisors (7095512837).
30687794683 is a wasteful number, since it uses less digits than its factorization.
30687794683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122466.
The product of its (nonzero) digits is 36578304, while the sum is 61.
The spelling of 30687794683 in words is "thirty billion, six hundred eighty-seven million, seven hundred ninety-four thousand, six hundred eighty-three".
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