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83081493047 = 734963339467
BaseRepresentation
bin100110101100000001…
…0101111101000110111
321221110002111010210002
41031120002233220313
52330122330234142
6102100032421515
76000560016230
oct1153002575067
9257402433702
1083081493047
1132264378453
12141279a789b
137ab0680197
144042116087
152263cada32
hex13580afa37

83081493047 has 8 divisors (see below), whose sum is σ = 94953273216. Its totient is φ = 71210461752.

The previous prime is 83081493031. The next prime is 83081493091. The reversal of 83081493047 is 74039418038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83081493047 - 24 = 83081493031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83081492992 and 83081493010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83081493017) 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 in 7 ways as a sum of consecutive naturals, for example, 75008 + ... + 414474.

It is an arithmetic number, because the mean of its divisors is an integer number (11869159152).

Almost surely, 283081493047 is an apocalyptic number.

83081493047 is a deficient number, since it is larger than the sum of its proper divisors (11871780169).

83081493047 is a wasteful number, since it uses less digits than its factorization.

83081493047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374437.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 83081493047 in words is "eighty-three billion, eighty-one million, four hundred ninety-three thousand, forty-seven".

Divisors: 1 7 34963 244741 339467 2376269 11868784721 83081493047