Base | Representation |
---|---|
bin | 1100101110110011… |
… | …01000101111010101 |
3 | 122122100100101100000 |
4 | 12113121220233111 |
5 | 102444233004011 |
6 | 3050122441513 |
7 | 331243641561 |
oct | 62731505725 |
9 | 18570311300 |
10 | 6835047381 |
11 | 299822a298 |
12 | 13a9063299 |
13 | 84c0a0146 |
14 | 48ba9c6a1 |
15 | 2a00d4356 |
hex | 197668bd5 |
6835047381 has 24 divisors (see below), whose sum is σ = 10591570080. Its totient is φ = 4399566192.
The previous prime is 6835047361. The next prime is 6835047389. The reversal of 6835047381 is 1837405386.
6835047381 is a `hidden beast` number, since 68 + 3 + 504 + 7 + 3 + 81 = 666.
It is not a de Polignac number, because 6835047381 - 27 = 6835047253 is a prime.
It is a super-2 number, since 2×68350473812 = 93435745401029918322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6835047389) 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 23 ways as a sum of consecutive naturals, for example, 477915 + ... + 492008.
It is an arithmetic number, because the mean of its divisors is an integer number (441315420).
Almost surely, 26835047381 is an apocalyptic number.
It is an amenable number.
6835047381 is a deficient number, since it is larger than the sum of its proper divisors (3756522699).
6835047381 is an equidigital number, since it uses as much as digits as its factorization.
6835047381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 969967 (or 969955 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 6835047381 is about 82674.3453617868. The cubic root of 6835047381 is about 1897.7857289731.
The spelling of 6835047381 in words is "six billion, eight hundred thirty-five million, forty-seven thousand, three hundred eighty-one".
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