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81082035862 = 2307473327901
BaseRepresentation
bin100101110000011011…
…1011010111010010110
321202021202011012011021
41023200313122322112
52312024000121422
6101125405231354
75600200635052
oct1134067327226
9252252135137
1081082035862
11314287716a3
121386a26255a
137852365c19
143cd275cc62
1521984a6dc7
hex12e0ddae96

81082035862 has 16 divisors (see below), whose sum is σ = 122049374832. Its totient is φ = 40398976800.

The previous prime is 81082035847. The next prime is 81082035941. The reversal of 81082035862 is 26853028018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892112 + ... + 2920012.

It is an arithmetic number, because the mean of its divisors is an integer number (7628085927).

Almost surely, 281082035862 is an apocalyptic number.

81082035862 is a deficient number, since it is larger than the sum of its proper divisors (40967338970).

81082035862 is a wasteful number, since it uses less digits than its factorization.

81082035862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32943.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 81082035862 in words is "eighty-one billion, eighty-two million, thirty-five thousand, eight hundred sixty-two".

Divisors: 1 2 307 614 4733 9466 27901 55802 1453031 2906062 8565607 17131214 132055433 264110866 40541017931 81082035862