Base | Representation |
---|---|
bin | 100110001100101100… |
… | …0111110011111011101 |
3 | 21211201211120212102211 |
4 | 1030121120332133131 |
5 | 2320444232401240 |
6 | 101403443120421 |
7 | 5632534345102 |
oct | 1143130763735 |
9 | 254654525384 |
10 | 82030356445 |
11 | 31874aa7a14 |
12 | 13a93973111 |
13 | 797397a46b |
14 | 3d82696aa9 |
15 | 220187abea |
hex | 131963e7dd |
82030356445 has 16 divisors (see below), whose sum is σ = 104926330800. Its totient is φ = 61349499904.
The previous prime is 82030356431. The next prime is 82030356503. The reversal of 82030356445 is 54465303028.
It can be written as a sum of positive squares in 8 ways, for example, as 1431714244 + 80598642201 = 37838^2 + 283899^2 .
It is not a de Polignac number, because 82030356445 - 211 = 82030354397 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 82030356398 and 82030356407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225802 + ... + 3251131.
It is an arithmetic number, because the mean of its divisors is an integer number (6557895675).
Almost surely, 282030356445 is an apocalyptic number.
82030356445 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
82030356445 is a deficient number, since it is larger than the sum of its proper divisors (22895974355).
82030356445 is a wasteful number, since it uses less digits than its factorization.
82030356445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6477104.
The product of its (nonzero) digits is 345600, while the sum is 40.
The spelling of 82030356445 in words is "eighty-two billion, thirty million, three hundred fifty-six thousand, four hundred forty-five".
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