Base | Representation |
---|---|
bin | 1011111110001111… |
… | …10001101000110001 |
3 | 121120221212121022020 |
4 | 11333013301220301 |
5 | 101130443241144 |
6 | 2541452102053 |
7 | 315166436163 |
oct | 57707615061 |
9 | 17527777266 |
10 | 6427712049 |
11 | 27a9304220 |
12 | 12b4764929 |
13 | 7b5890b15 |
14 | 44d948933 |
15 | 279472419 |
hex | 17f1f1a31 |
6427712049 has 16 divisors (see below), whose sum is σ = 9351633600. Its totient is φ = 3894652160.
The previous prime is 6427712009. The next prime is 6427712059. The reversal of 6427712049 is 9402177246.
It is a cyclic number.
It is not a de Polignac number, because 6427712049 - 223 = 6419323441 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 6427712049.
It is not an unprimeable number, because it can be changed into a prime (6427712009) 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 15 ways as a sum of consecutive naturals, for example, 132469 + ... + 174365.
It is an arithmetic number, because the mean of its divisors is an integer number (584477100).
Almost surely, 26427712049 is an apocalyptic number.
It is an amenable number.
6427712049 is a deficient number, since it is larger than the sum of its proper divisors (2923921551).
6427712049 is a wasteful number, since it uses less digits than its factorization.
6427712049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46560.
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 6427712049 is about 80173.0132214076. The cubic root of 6427712049 is about 1859.3114236366.
The spelling of 6427712049 in words is "six billion, four hundred twenty-seven million, seven hundred twelve thousand, forty-nine".
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