Base | Representation |
---|---|
bin | 11100001110001000… |
… | …111101000000000101 |
3 | 2220012210120001021022 |
4 | 130032020331000011 |
5 | 444024302432414 |
6 | 21530501000525 |
7 | 2121624512504 |
oct | 341610750005 |
9 | 86183501238 |
10 | 30301999109 |
11 | 1193a763478 |
12 | 5a580b3145 |
13 | 2b1bb12ab5 |
14 | 16765bc83b |
15 | bc53d018e |
hex | 70e23d005 |
30301999109 has 8 divisors (see below), whose sum is σ = 32111455320. Its totient is φ = 28543513600.
The previous prime is 30301999103. The next prime is 30301999127. The reversal of 30301999109 is 90199910303.
It can be written as a sum of positive squares in 4 ways, for example, as 2871352225 + 27430646884 = 53585^2 + 165622^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30301999109 is a prime.
It is a super-2 number, since 2×303019991092 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30301999109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30301999103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12741452 + ... + 12743829.
It is an arithmetic number, because the mean of its divisors is an integer number (4013931915).
Almost surely, 230301999109 is an apocalyptic number.
It is an amenable number.
30301999109 is a deficient number, since it is larger than the sum of its proper divisors (1809456211).
30301999109 is a wasteful number, since it uses less digits than its factorization.
30301999109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25485351.
The product of its (nonzero) digits is 59049, while the sum is 44.
The spelling of 30301999109 in words is "thirty billion, three hundred one million, nine hundred ninety-nine thousand, one hundred nine".
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