Base | Representation |
---|---|
bin | 11100101110001010… |
… | …001111011111011111 |
3 | 2221121020102002012022 |
4 | 130232022033133133 |
5 | 1001124314123103 |
6 | 22100051130355 |
7 | 2141136641060 |
oct | 345612173737 |
9 | 87536362168 |
10 | 30839207903 |
11 | 12095a24389 |
12 | 5b87ba39bb |
13 | 2ba61c511a |
14 | 16c7a9c567 |
15 | c07648138 |
hex | 72e28f7df |
30839207903 has 8 divisors (see below), whose sum is σ = 35246527008. Its totient is φ = 26432318304.
The previous prime is 30839207899. The next prime is 30839207909. The reversal of 30839207903 is 30970293803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30839207903 - 22 = 30839207899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30839207909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64925 + ... + 256697.
It is an arithmetic number, because the mean of its divisors is an integer number (4405815876).
Almost surely, 230839207903 is an apocalyptic number.
30839207903 is a deficient number, since it is larger than the sum of its proper divisors (4407319105).
30839207903 is a wasteful number, since it uses less digits than its factorization.
30839207903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214753.
The product of its (nonzero) digits is 244944, while the sum is 44.
The spelling of 30839207903 in words is "thirty billion, eight hundred thirty-nine million, two hundred seven thousand, nine hundred three".
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