Base | Representation |
---|---|
bin | 110001110001110011000… |
… | …0101011001011101111101 |
3 | 220020000222021121102210011 |
4 | 1203203212011121131331 |
5 | 1344042241204004244 |
6 | 22314530132143221 |
7 | 1304164314302665 |
oct | 143434605313575 |
9 | 26200867542704 |
10 | 6841448109949 |
11 | 21a8495113672 |
12 | 925b03167b11 |
13 | 3a81b83b34cb |
14 | 1991b0b991a5 |
15 | bce65e5b434 |
hex | 638e615977d |
6841448109949 has 2 divisors, whose sum is σ = 6841448109950. Its totient is φ = 6841448109948.
The previous prime is 6841448109917. The next prime is 6841448109961. The reversal of 6841448109949 is 9499018441486.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4791918012025 + 2049530097924 = 2189045^2 + 1431618^2 .
It is a cyclic number.
It is not a de Polignac number, because 6841448109949 - 25 = 6841448109917 is a prime.
It is a super-2 number, since 2×68414481099492 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6841448104949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420724054974 + 3420724054975.
It is an arithmetic number, because the mean of its divisors is an integer number (3420724054975).
Almost surely, 26841448109949 is an apocalyptic number.
It is an amenable number.
6841448109949 is a deficient number, since it is larger than the sum of its proper divisors (1).
6841448109949 is an equidigital number, since it uses as much as digits as its factorization.
6841448109949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 71663616, while the sum is 67.
The spelling of 6841448109949 in words is "six trillion, eight hundred forty-one billion, four hundred forty-eight million, one hundred nine thousand, nine hundred forty-nine".
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