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82106512269 = 354541501803
BaseRepresentation
bin100110001110111101…
…1011111001110001101
321211221010212222120220
41030131323133032031
52321123231343034
6101415203301553
75634450560535
oct1143573371615
9254833788526
1082106512269
1131903a92a11
1213ab537a8b9
137986692b92
143d8c83c4c5
1522083c0749
hex131dedf38d

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".

Divisors: 1 3 54541 163623 501803 1505409 27368837423 82106512269