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81076838830483 = 107817520344943
BaseRepresentation
bin10010011011110100101100…
…001011011001000110010011
3101122001212111022002110202111
4102123310230023121012103
541111330331220033413
6444234104025530151
723035415435135326
oct2233645413310623
9348055438073674
1081076838830483
112391954893a721
129115299343957
13363168936b452
1416041d5db87bd
15958edbd90d3d
hex49bd2c2d9193

81076838830483 has 4 divisors (see below), whose sum is σ = 81084359186208. Its totient is φ = 81069318474760.

The previous prime is 81076838830409. The next prime is 81076838830501. The reversal of 81076838830483 is 38403883867018.

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

It is a cyclic number.

It is not a de Polignac number, because 81076838830483 - 217 = 81076838699411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81076838840483) 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 3 ways as a sum of consecutive naturals, for example, 3760161691 + ... + 3760183252.

It is an arithmetic number, because the mean of its divisors is an integer number (20271089796552).

Almost surely, 281076838830483 is an apocalyptic number.

81076838830483 is a deficient number, since it is larger than the sum of its proper divisors (7520355725).

81076838830483 is a wasteful number, since it uses less digits than its factorization.

81076838830483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520355724.

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 81076838830483 in words is "eighty-one trillion, seventy-six billion, eight hundred thirty-eight million, eight hundred thirty thousand, four hundred eighty-three".

Divisors: 1 10781 7520344943 81076838830483