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82385805886 = 241192902943
BaseRepresentation
bin100110010111010010…
…0111010001000111110
321212122121102120101221
41030232210322020332
52322211231242021
6101503021423554
75644411536616
oct1145644721076
9255577376357
1082385805886
1131a3770438a
1213b72a0abba
1379cc4c0b87
143db7981a46
152222b8e241
hex132e93a23e

82385805886 has 4 divisors (see below), whose sum is σ = 123578708832. Its totient is φ = 41192902942.

The previous prime is 82385805883. The next prime is 82385805899. The reversal of 82385805886 is 68850858328.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×823858058862 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82385805883) 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 as a sum of consecutive naturals, namely, 20596451470 + ... + 20596451473.

It is an arithmetic number, because the mean of its divisors is an integer number (30894677208).

Almost surely, 282385805886 is an apocalyptic number.

82385805886 is a deficient number, since it is larger than the sum of its proper divisors (41192902946).

82385805886 is a wasteful number, since it uses less digits than its factorization.

82385805886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41192902945.

The product of its (nonzero) digits is 29491200, while the sum is 61.

The spelling of 82385805886 in words is "eighty-two billion, three hundred eighty-five million, eight hundred five thousand, eight hundred eighty-six".

Divisors: 1 2 41192902943 82385805886