Base | Representation |
---|---|
bin | 100110001100010110… |
… | …1011010010101111001 |
3 | 21211201001002122210020 |
4 | 1030120231122111321 |
5 | 2320433321424220 |
6 | 101402354241053 |
7 | 5632335311634 |
oct | 1143055322571 |
9 | 254631078706 |
10 | 82018936185 |
11 | 3186960778a |
12 | 13a8bb86189 |
13 | 79714ac304 |
14 | 3d80d62c1b |
15 | 2200872040 |
hex | 1318b5a579 |
82018936185 has 128 divisors (see below), whose sum is σ = 155072102400. Its totient is φ = 36722626560.
The previous prime is 82018936177. The next prime is 82018936189. The reversal of 82018936185 is 58163981028.
It is not a de Polignac number, because 82018936185 - 23 = 82018936177 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (82018936189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5549836 + ... + 5564594.
It is an arithmetic number, because the mean of its divisors is an integer number (1211500800).
Almost surely, 282018936185 is an apocalyptic number.
82018936185 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
82018936185 is a deficient number, since it is larger than the sum of its proper divisors (73053166215).
82018936185 is a wasteful number, since it uses less digits than its factorization.
82018936185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14871.
The product of its (nonzero) digits is 829440, while the sum is 51.
The spelling of 82018936185 in words is "eighty-two billion, eighteen million, nine hundred thirty-six thousand, one hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •