Base | Representation |
---|---|
bin | 1011111100101101… |
… | …10110111011001001 |
3 | 121120001202002220111 |
4 | 11332112312323021 |
5 | 101114202414044 |
6 | 2540313154321 |
7 | 314652440161 |
oct | 57626667311 |
9 | 17501662814 |
10 | 6414888649 |
11 | 27a2045874 |
12 | 12b03bb9a1 |
13 | 7b3021100 |
14 | 44bd6b5a1 |
15 | 27828cb34 |
hex | 17e5b6ec9 |
6414888649 has 27 divisors (see below), whose sum is σ = 7132653567. Its totient is φ = 5766696000.
The previous prime is 6414888643. The next prime is 6414888679. The reversal of 6414888649 is 9468884146.
The square root of 6414888649 is 80093.
It is a perfect power (a square), and thus also a powerful number.
6414888649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 13 ways, for example, as 5546525625 + 868363024 = 74475^2 + 29468^2 .
It is not a de Polignac number, because 6414888649 - 213 = 6414880457 is a prime.
It is a super-3 number, since 3×64148886493 (a number of 30 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 6414888593 and 6414888602.
It is not an unprimeable number, because it can be changed into a prime (6414888643) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 63513699 + ... + 63513799.
Almost surely, 26414888649 is an apocalyptic number.
6414888649 is the 80093-rd square number.
6414888649 is the 40047-th centered octagonal number.
It is an amenable number.
6414888649 is a deficient number, since it is larger than the sum of its proper divisors (717764918).
6414888649 is an equidigital number, since it uses as much as digits as its factorization.
6414888649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350 (or 175 counting only the distinct ones).
The product of its digits is 10616832, while the sum is 58.
The cubic root of 6414888649 is about 1858.0741473420.
The spelling of 6414888649 in words is "six billion, four hundred fourteen million, eight hundred eighty-eight thousand, six hundred forty-nine".
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