Base | Representation |
---|---|
bin | 11100100100111111… |
… | …100101010100000011 |
3 | 2221012112000210010221 |
4 | 130210333211110003 |
5 | 1000320431400010 |
6 | 22032515003511 |
7 | 2134261520155 |
oct | 344477452403 |
9 | 87175023127 |
10 | 30685418755 |
11 | 12017134312 |
12 | 5b44599597 |
13 | 2b8039a624 |
14 | 16b14a8ad5 |
15 | be8dbadda |
hex | 724fe5503 |
30685418755 has 8 divisors (see below), whose sum is σ = 36894848400. Its totient is φ = 24500104416.
The previous prime is 30685418747. The next prime is 30685418801. The reversal of 30685418755 is 55781458603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30685418755 - 23 = 30685418747 is a prime.
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, 6026025 + ... + 6031114.
It is an arithmetic number, because the mean of its divisors is an integer number (4611856050).
Almost surely, 230685418755 is an apocalyptic number.
30685418755 is a deficient number, since it is larger than the sum of its proper divisors (6209429645).
30685418755 is a wasteful number, since it uses less digits than its factorization.
30685418755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12057653.
The product of its (nonzero) digits is 4032000, while the sum is 52.
The spelling of 30685418755 in words is "thirty billion, six hundred eighty-five million, four hundred eighteen thousand, seven hundred fifty-five".
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