Base | Representation |
---|---|
bin | 111111010111100101… |
… | …011101010110100111 |
3 | 20111121220221210112020 |
4 | 333113211131112213 |
5 | 2103322101233224 |
6 | 51131403554223 |
7 | 4626062421213 |
oct | 772745352647 |
9 | 214556853466 |
10 | 68041430439 |
11 | 26946682844 |
12 | 1122ab2b973 |
13 | 6554747c58 |
14 | 3416863943 |
15 | 1b836d3c79 |
hex | fd795d5a7 |
68041430439 has 8 divisors (see below), whose sum is σ = 90844673280. Its totient is φ = 45299570616.
The previous prime is 68041430383. The next prime is 68041430447. The reversal of 68041430439 is 93403414086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68041430439 - 29 = 68041429927 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68041430439.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68041430459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15343167 + ... + 15347600.
It is an arithmetic number, because the mean of its divisors is an integer number (11355584160).
Almost surely, 268041430439 is an apocalyptic number.
68041430439 is a deficient number, since it is larger than the sum of its proper divisors (22803242841).
68041430439 is a wasteful number, since it uses less digits than its factorization.
68041430439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30691509.
The product of its (nonzero) digits is 248832, while the sum is 42.
The spelling of 68041430439 in words is "sixty-eight billion, forty-one million, four hundred thirty thousand, four hundred thirty-nine".
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