Base | Representation |
---|---|
bin | 111111101111100001… |
… | …011111001001001111 |
3 | 20112122220122210112200 |
4 | 333233201133021033 |
5 | 2110132404324013 |
6 | 51235311532543 |
7 | 4642040155422 |
oct | 775741371117 |
9 | 215586583480 |
10 | 68443042383 |
11 | 27032349841 |
12 | 1132152a153 |
13 | 65b9a02161 |
14 | 3453d279b9 |
15 | 1ba8ab4e73 |
hex | fef85f24f |
68443042383 has 6 divisors (see below), whose sum is σ = 98862172344. Its totient is φ = 45628694916.
The previous prime is 68443042309. The next prime is 68443042403. The reversal of 68443042383 is 38324034486.
It is not a de Polignac number, because 68443042383 - 28 = 68443042127 is a prime.
It is a super-2 number, since 2×684430423832 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68443041383) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3802391235 + ... + 3802391252.
It is an arithmetic number, because the mean of its divisors is an integer number (16477028724).
Almost surely, 268443042383 is an apocalyptic number.
68443042383 is a deficient number, since it is larger than the sum of its proper divisors (30419129961).
68443042383 is a wasteful number, since it uses less digits than its factorization.
68443042383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7604782493 (or 7604782490 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 45.
The spelling of 68443042383 in words is "sixty-eight billion, four hundred forty-three million, forty-two thousand, three hundred eighty-three".
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