Base | Representation |
---|---|
bin | 10001110110011010111111… |
… | …110111011111010100100001 |
3 | 101021222011100010001022101102 |
4 | 101312122333313133110201 |
5 | 40242223040043341003 |
6 | 434545240513044145 |
7 | 22351626336042125 |
oct | 2166327767372441 |
9 | 337864303038342 |
10 | 78506631230753 |
11 | 23018525736650 |
12 | 897b13bb56655 |
13 | 34a61b35264bb |
14 | 1555a53ccd585 |
15 | 91220e813588 |
hex | 4766bfddf521 |
78506631230753 has 8 divisors (see below), whose sum is σ = 85740151942080. Its totient is φ = 71289202892080.
The previous prime is 78506631230711. The next prime is 78506631230767. The reversal of 78506631230753 is 35703213660587.
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 78506631230753 - 28 = 78506631230497 is a prime.
It is a super-3 number, since 3×785066312307533 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78506631230353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023082958 + ... + 4023102471.
It is an arithmetic number, because the mean of its divisors is an integer number (10717518992760).
Almost surely, 278506631230753 is an apocalyptic number.
It is an amenable number.
78506631230753 is a deficient number, since it is larger than the sum of its proper divisors (7233520711327).
78506631230753 is a wasteful number, since it uses less digits than its factorization.
78506631230753 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8046186327.
The product of its (nonzero) digits is 19051200, while the sum is 56.
The spelling of 78506631230753 in words is "seventy-eight trillion, five hundred six billion, six hundred thirty-one million, two hundred thirty thousand, seven hundred fifty-three".
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