Base | Representation |
---|---|
bin | 11100010100010100… |
… | …110001010110011111 |
3 | 2220111000210200000122 |
4 | 130110110301112133 |
5 | 444232333313130 |
6 | 21545044545155 |
7 | 2124324461552 |
oct | 342424612637 |
9 | 86430720018 |
10 | 30405760415 |
11 | 11993293918 |
12 | 5a869b21bb |
13 | 2b37472614 |
14 | 16862ac699 |
15 | bce5792e5 |
hex | 71453159f |
30405760415 has 8 divisors (see below), whose sum is σ = 36487867488. Its totient is φ = 24323971680.
The previous prime is 30405760403. The next prime is 30405760417. The reversal of 30405760415 is 51406750403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30405760415 - 230 = 29332018591 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30405760417) 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, 270785 + ... + 366245.
It is an arithmetic number, because the mean of its divisors is an integer number (4560983436).
Almost surely, 230405760415 is an apocalyptic number.
30405760415 is a deficient number, since it is larger than the sum of its proper divisors (6082107073).
30405760415 is an equidigital number, since it uses as much as digits as its factorization.
30405760415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159169.
The product of its (nonzero) digits is 50400, while the sum is 35.
The spelling of 30405760415 in words is "thirty billion, four hundred five million, seven hundred sixty thousand, four hundred fifteen".
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