Base | Representation |
---|---|
bin | 1100011101001101… |
… | …00100000010011101 |
3 | 122021001121012111222 |
4 | 12032212210002131 |
5 | 102143441103203 |
6 | 3023331023125 |
7 | 324502211456 |
oct | 61646440235 |
9 | 18231535458 |
10 | 6687441053 |
11 | 2921982497 |
12 | 136773aaa5 |
13 | 82762b917 |
14 | 47623812d |
15 | 292179038 |
hex | 18e9a409d |
6687441053 has 4 divisors (see below), whose sum is σ = 6687641760. Its totient is φ = 6687240348.
The previous prime is 6687441037. The next prime is 6687441067. The reversal of 6687441053 is 3501447866.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 6687441053 - 24 = 6687441037 is a prime.
It is a super-3 number, since 3×66874410533 (a number of 30 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6687440995 and 6687441013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6687441023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37073 + ... + 121446.
It is an arithmetic number, because the mean of its divisors is an integer number (1671910440).
Almost surely, 26687441053 is an apocalyptic number.
It is an amenable number.
6687441053 is a deficient number, since it is larger than the sum of its proper divisors (200707).
6687441053 is a wasteful number, since it uses less digits than its factorization.
6687441053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200706.
The product of its (nonzero) digits is 483840, while the sum is 44.
The square root of 6687441053 is about 81776.7757557120. The cubic root of 6687441053 is about 1884.0249752332.
The spelling of 6687441053 in words is "six billion, six hundred eighty-seven million, four hundred forty-one thousand, fifty-three".
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