Base | Representation |
---|---|
bin | 11100010110011001… |
… | …011100110101001011 |
3 | 2220120110020201201112 |
4 | 130112121130311023 |
5 | 444320234312030 |
6 | 21552330240535 |
7 | 2125226222306 |
oct | 342631346513 |
9 | 86513221645 |
10 | 30440541515 |
11 | 11a0098a42a |
12 | 5a9658614b |
13 | 2b4172c857 |
14 | 168ab63b3d |
15 | bd2649a95 |
hex | 71665cd4b |
30440541515 has 8 divisors (see below), whose sum is σ = 38116852128. Its totient is φ = 23293631680.
The previous prime is 30440541511. The next prime is 30440541557. The reversal of 30440541515 is 51514504403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30440541515 - 22 = 30440541511 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30440541511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132350066 + ... + 132350295.
It is an arithmetic number, because the mean of its divisors is an integer number (4764606516).
Almost surely, 230440541515 is an apocalyptic number.
30440541515 is a deficient number, since it is larger than the sum of its proper divisors (7676310613).
30440541515 is a wasteful number, since it uses less digits than its factorization.
30440541515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264700389.
The product of its (nonzero) digits is 24000, while the sum is 32.
The spelling of 30440541515 in words is "thirty billion, four hundred forty million, five hundred forty-one thousand, five hundred fifteen".
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