Base | Representation |
---|---|
bin | 11100010011011001… |
… | …111000100111111001 |
3 | 2220102221202101211122 |
4 | 130103121320213321 |
5 | 444214410324310 |
6 | 21543334035025 |
7 | 2124046326560 |
oct | 342331704771 |
9 | 86387671748 |
10 | 30390323705 |
11 | 11985600005 |
12 | 5a817a8a75 |
13 | 2b341c9281 |
14 | 1684210bd7 |
15 | bcd02a555 |
hex | 7136789f9 |
30390323705 has 16 divisors (see below), whose sum is σ = 41691388800. Its totient is φ = 20832463872.
The previous prime is 30390323669. The next prime is 30390323773. The reversal of 30390323705 is 50732309303.
It is a cyclic number.
It is not a de Polignac number, because 30390323705 - 26 = 30390323641 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24680 + ... + 247769.
It is an arithmetic number, because the mean of its divisors is an integer number (2605711800).
Almost surely, 230390323705 is an apocalyptic number.
30390323705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30390323705 is a deficient number, since it is larger than the sum of its proper divisors (11301065095).
30390323705 is a wasteful number, since it uses less digits than its factorization.
30390323705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275648.
The product of its (nonzero) digits is 51030, while the sum is 35.
The spelling of 30390323705 in words is "thirty billion, three hundred ninety million, three hundred twenty-three thousand, seven hundred five".
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