Base | Representation |
---|---|
bin | 1101110100111010010100… |
… | …00000100000010000110011 |
3 | 10222122201102200121221022211 |
4 | 12322131022000200100303 |
5 | 12441130041133301030 |
6 | 144400001533112551 |
7 | 6255466024240216 |
oct | 672351200402063 |
9 | 128581380557284 |
10 | 30405315134515 |
11 | 9762904801702 |
12 | 34b0906628757 |
13 | 13c7293ca58a9 |
14 | 7718a740377d |
15 | 37ada312712a |
hex | 1ba74a020433 |
30405315134515 has 8 divisors (see below), whose sum is σ = 36577366638048. Its totient is φ = 24263593123200.
The previous prime is 30405315134503. The next prime is 30405315134639. The reversal of 30405315134515 is 51543151350403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30405315134515 - 227 = 30405180916787 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, 7582370847 + ... + 7582374856.
It is an arithmetic number, because the mean of its divisors is an integer number (4572170829756).
Almost surely, 230405315134515 is an apocalyptic number.
30405315134515 is a deficient number, since it is larger than the sum of its proper divisors (6172051503533).
30405315134515 is a wasteful number, since it uses less digits than its factorization.
30405315134515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15164746109.
The product of its (nonzero) digits is 270000, while the sum is 40.
Adding to 30405315134515 its reverse (51543151350403), we get a palindrome (81948466484918).
The spelling of 30405315134515 in words is "thirty trillion, four hundred five billion, three hundred fifteen million, one hundred thirty-four thousand, five hundred fifteen".
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