Base | Representation |
---|---|
bin | 1100100110110111… |
… | …10000001001011001 |
3 | 122110201010002002022 |
4 | 12103123300021121 |
5 | 102330213240040 |
6 | 3035344144225 |
7 | 326505146111 |
oct | 62333601131 |
9 | 18421102068 |
10 | 6768493145 |
11 | 2963702097 |
12 | 138a908075 |
13 | 83b369b3b |
14 | 482cd6041 |
15 | 2993396b5 |
hex | 1936f0259 |
6768493145 has 8 divisors (see below), whose sum is σ = 8156177280. Its totient is φ = 5392137520.
The previous prime is 6768493141. The next prime is 6768493181. The reversal of 6768493145 is 5413948676.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6768493145 - 22 = 6768493141 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (6768493141) 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, 2830811 + ... + 2833200.
It is an arithmetic number, because the mean of its divisors is an integer number (1019522160).
Almost surely, 26768493145 is an apocalyptic number.
It is an amenable number.
6768493145 is a deficient number, since it is larger than the sum of its proper divisors (1387684135).
6768493145 is a wasteful number, since it uses less digits than its factorization.
6768493145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5664255.
The product of its digits is 4354560, while the sum is 53.
The square root of 6768493145 is about 82270.8523415189. The cubic root of 6768493145 is about 1891.6059197719.
The spelling of 6768493145 in words is "six billion, seven hundred sixty-eight million, four hundred ninety-three thousand, one hundred forty-five".
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