Base | Representation |
---|---|
bin | 100110001110111101… |
… | …1011111001110001101 |
3 | 21211221010212222120220 |
4 | 1030131323133032031 |
5 | 2321123231343034 |
6 | 101415203301553 |
7 | 5634450560535 |
oct | 1143573371615 |
9 | 254833788526 |
10 | 82106512269 |
11 | 31903a92a11 |
12 | 13ab537a8b9 |
13 | 7986692b92 |
14 | 3d8c83c4c5 |
15 | 22083c0749 |
hex | 131dedf38d |
82106512269 has 8 divisors (see below), whose sum is σ = 109477575072. Its totient is φ = 54736562160.
The previous prime is 82106512237. The next prime is 82106512273. The reversal of 82106512269 is 96221560128.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82106512269 - 25 = 82106512237 is a prime.
It is a super-2 number, since 2×821065122692 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 82106512269.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82106512289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87279 + ... + 414524.
It is an arithmetic number, because the mean of its divisors is an integer number (13684696884).
Almost surely, 282106512269 is an apocalyptic number.
It is an amenable number.
82106512269 is a deficient number, since it is larger than the sum of its proper divisors (27371062803).
82106512269 is a wasteful number, since it uses less digits than its factorization.
82106512269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556347.
The product of its (nonzero) digits is 103680, while the sum is 42.
The spelling of 82106512269 in words is "eighty-two billion, one hundred six million, five hundred twelve thousand, two hundred sixty-nine".
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