Base | Representation |
---|---|
bin | 11111010001000000100011… |
… | …01000011011111111100101 |
3 | 100000102211102200201102221001 |
4 | 33220200101220123333211 |
5 | 33002431430331144321 |
6 | 402121113510353301 |
7 | 20324215330556365 |
oct | 1750402150337745 |
9 | 300384380642831 |
10 | 68754132287461 |
11 | 1a9a8511294795 |
12 | 786501795b831 |
13 | 2c4964380a6ba |
14 | 12d9a097589a5 |
15 | 7e36bd11bc91 |
hex | 3e8811a1bfe5 |
68754132287461 has 8 divisors (see below), whose sum is σ = 70625411717120. Its totient is φ = 66883540207248.
The previous prime is 68754132287429. The next prime is 68754132287507. The reversal of 68754132287461 is 16478223145786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68754132287461 - 25 = 68754132287429 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68754132287393 and 68754132287402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68754132287411) 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, 171634581 + ... + 172034698.
It is an arithmetic number, because the mean of its divisors is an integer number (8828176464640).
Almost surely, 268754132287461 is an apocalyptic number.
It is an amenable number.
68754132287461 is a deficient number, since it is larger than the sum of its proper divisors (1871279429659).
68754132287461 is a wasteful number, since it uses less digits than its factorization.
68754132287461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343674723.
The product of its digits is 108380160, while the sum is 64.
The spelling of 68754132287461 in words is "sixty-eight trillion, seven hundred fifty-four billion, one hundred thirty-two million, two hundred eighty-seven thousand, four hundred sixty-one".
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