Base | Representation |
---|---|
bin | 11100011001111101… |
… | …000000100001010001 |
3 | 2220201121111102002002 |
4 | 130121331000201101 |
5 | 444431022210020 |
6 | 22002301003345 |
7 | 2126552242343 |
oct | 343175004121 |
9 | 86647442062 |
10 | 30500194385 |
11 | 11a31623521 |
12 | 5ab2553555 |
13 | 2b50bb77cb |
14 | 1694a51293 |
15 | bd79ce975 |
hex | 719f40851 |
30500194385 has 8 divisors (see below), whose sum is σ = 36732365736. Its totient is φ = 24312067200.
The previous prime is 30500194369. The next prime is 30500194393. The reversal of 30500194385 is 58349100503.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1309788481 + 29190405904 = 36191^2 + 170852^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30500194385 - 24 = 30500194369 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11009516 + ... + 11012285.
It is an arithmetic number, because the mean of its divisors is an integer number (4591545717).
Almost surely, 230500194385 is an apocalyptic number.
It is an amenable number.
30500194385 is a deficient number, since it is larger than the sum of its proper divisors (6232171351).
30500194385 is a wasteful number, since it uses less digits than its factorization.
30500194385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22022083.
The product of its (nonzero) digits is 64800, while the sum is 38.
Adding to 30500194385 its reverse (58349100503), we get a palindrome (88849294888).
The spelling of 30500194385 in words is "thirty billion, five hundred million, one hundred ninety-four thousand, three hundred eighty-five".
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