Base | Representation |
---|---|
bin | 100100010101111101… |
… | …1010110001010001001 |
3 | 21110110012001100100022 |
4 | 1020223323112022021 |
5 | 2234314333420443 |
6 | 55504244550225 |
7 | 5432030234225 |
oct | 1105373261211 |
9 | 243405040308 |
10 | 78046388873 |
11 | 30110174132 |
12 | 131616b2375 |
13 | 748a4802bb |
14 | 3ac5517785 |
15 | 206bc20e68 |
hex | 122bed6289 |
78046388873 has 8 divisors (see below), whose sum is σ = 78327839040. Its totient is φ = 77765410800.
The previous prime is 78046388831. The next prime is 78046388887. The reversal of 78046388873 is 37888364087.
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 78046388873 - 28 = 78046388617 is a prime.
It is a super-3 number, since 3×780463888733 (a number of 34 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 (78046388473) 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, 214898 + ... + 449748.
It is an arithmetic number, because the mean of its divisors is an integer number (9790979880).
Almost surely, 278046388873 is an apocalyptic number.
It is an amenable number.
78046388873 is a deficient number, since it is larger than the sum of its proper divisors (281450167).
78046388873 is a wasteful number, since it uses less digits than its factorization.
78046388873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236047.
The product of its (nonzero) digits is 43352064, while the sum is 62.
The spelling of 78046388873 in words is "seventy-eight billion, forty-six million, three hundred eighty-eight thousand, eight hundred seventy-three".
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