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83271519745 = 518192012729
BaseRepresentation
bin100110110001101011…
…1101000111000000001
321221221100001111101221
41031203113220320001
52331020002112440
6102130541355041
76005355145021
oct1154327507001
9257840044357
1083271519745
1132351669307
121417b568a81
137b10b54b0b
14405d45da81
1522757e7d4a
hex13635e8e01

83271519745 has 8 divisors (see below), whose sum is σ = 100477901160. Its totient is φ = 66249164160.

The previous prime is 83271519743. The next prime is 83271519763. The reversal of 83271519745 is 54791517238.

It can be written as a sum of positive squares in 4 ways, for example, as 2088124416 + 81183395329 = 45696^2 + 284927^2 .

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

It is not a de Polignac number, because 83271519745 - 21 = 83271519743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83271519692 and 83271519701.

It is not an unprimeable number, because it can be changed into a prime (83271519743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46005460 + ... + 46007269.

It is an arithmetic number, because the mean of its divisors is an integer number (12559737645).

Almost surely, 283271519745 is an apocalyptic number.

It is an amenable number.

83271519745 is a deficient number, since it is larger than the sum of its proper divisors (17206381415).

83271519745 is a wasteful number, since it uses less digits than its factorization.

83271519745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92012915.

The product of its digits is 2116800, while the sum is 52.

The spelling of 83271519745 in words is "eighty-three billion, two hundred seventy-one million, five hundred nineteen thousand, seven hundred forty-five".

Divisors: 1 5 181 905 92012729 460063645 16654303949 83271519745