Base | Representation |
---|---|
bin | 11100001111000000… |
… | …110011100110000001 |
3 | 2220020211002220200021 |
4 | 130033000303212001 |
5 | 444042030000031 |
6 | 21532142453441 |
7 | 2122163123260 |
oct | 341700634601 |
9 | 86224086607 |
10 | 30316640641 |
11 | 11947a53911 |
12 | 5a60b94281 |
13 | 2b21b6b221 |
14 | 16785105d7 |
15 | bc6823511 |
hex | 70f033981 |
30316640641 has 8 divisors (see below), whose sum is σ = 34800223680. Its totient is φ = 25871216208.
The previous prime is 30316640623. The next prime is 30316640647. The reversal of 30316640641 is 14604661303.
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-30316640641 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30316640597 and 30316640606.
It is not an unprimeable number, because it can be changed into a prime (30316640647) 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, 9537946 + ... + 9541123.
It is an arithmetic number, because the mean of its divisors is an integer number (4350027960).
Almost surely, 230316640641 is an apocalyptic number.
It is an amenable number.
30316640641 is a deficient number, since it is larger than the sum of its proper divisors (4483583039).
30316640641 is a wasteful number, since it uses less digits than its factorization.
30316640641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19079303.
The product of its (nonzero) digits is 31104, while the sum is 34.
The spelling of 30316640641 in words is "thirty billion, three hundred sixteen million, six hundred forty thousand, six hundred forty-one".
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