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81410010814 = 2117997482899
BaseRepresentation
bin100101111010001101…
…0100010111010111110
321210010121022001012201
41023310122202322332
52313211430321224
6101222123022114
75611262450206
oct1136432427276
9253117261181
1081410010814
1131586913080
121394006a93a
1378a52aa042
143d24135406
1521b718ea44
hex12f46a2ebe

81410010814 has 32 divisors (see below), whose sum is σ = 136293696000. Its totient is φ = 36159402240.

The previous prime is 81410010791. The next prime is 81410010823. The reversal of 81410010814 is 41801001418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72864 + ... + 410035.

It is an arithmetic number, because the mean of its divisors is an integer number (4259178000).

Almost surely, 281410010814 is an apocalyptic number.

81410010814 is a deficient number, since it is larger than the sum of its proper divisors (54883685186).

81410010814 is a wasteful number, since it uses less digits than its factorization.

81410010814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483088.

The product of its (nonzero) digits is 1024, while the sum is 28.

The spelling of 81410010814 in words is "eighty-one billion, four hundred ten million, ten thousand, eight hundred fourteen".

Divisors: 1 2 11 22 79 97 158 194 869 1067 1738 2134 7663 15326 84293 168586 482899 965798 5311889 10623778 38149021 46841203 76298042 93682406 419639231 515253233 839278462 1030506466 3700455037 7400910074 40705005407 81410010814