Base | Representation |
---|---|
bin | 1100100011100100… |
… | …10000100001000101 |
3 | 122101210002002000001 |
4 | 12101302100201011 |
5 | 102301123312334 |
6 | 3032515321301 |
7 | 326021116201 |
oct | 62162204105 |
9 | 18353062001 |
10 | 6740838469 |
11 | 294a033792 |
12 | 13815b0231 |
13 | 835706521 |
14 | 47d377b01 |
15 | 296bc5714 |
hex | 191c90845 |
6740838469 has 16 divisors (see below), whose sum is σ = 6883685424. Its totient is φ = 6599577600.
The previous prime is 6740838463. The next prime is 6740838473. The reversal of 6740838469 is 9648380476.
It can be written as a sum of positive squares in 8 ways, for example, as 6502500 + 6734335969 = 2550^2 + 82063^2 .
It is a cyclic number.
It is not a de Polignac number, because 6740838469 - 25 = 6740838437 is a prime.
It is a super-2 number, since 2×67408384692 = 90877806530300527922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6740838463) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7650909 + ... + 7651789.
It is an arithmetic number, because the mean of its divisors is an integer number (430230339).
Almost surely, 26740838469 is an apocalyptic number.
It is an amenable number.
6740838469 is a deficient number, since it is larger than the sum of its proper divisors (142846955).
6740838469 is a wasteful number, since it uses less digits than its factorization.
6740838469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1608.
The product of its (nonzero) digits is 6967296, while the sum is 55.
The square root of 6740838469 is about 82102.6093921503. The cubic root of 6740838469 is about 1889.0261650713.
The spelling of 6740838469 in words is "six billion, seven hundred forty million, eight hundred thirty-eight thousand, four hundred sixty-nine".
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