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83492508857 is a prime number
BaseRepresentation
bin100110111000010001…
…0101001010010111001
321222111201212220110212
41031300202221102321
52331443040240412
6102204514120505
76014010421112
oct1156042512271
9258451786425
1083492508857
113245538773a
1214221580135
137b4787a7c4
144080947209
152289deb222
hex13708a94b9

83492508857 has 2 divisors, whose sum is σ = 83492508858. Its totient is φ = 83492508856.

The previous prime is 83492508829. The next prime is 83492508919. The reversal of 83492508857 is 75880529438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49584600976 + 33907907881 = 222676^2 + 184141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83492508857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83492508796 and 83492508805.

It is not a weakly prime, because it can be changed into another prime (83492508157) 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 as a sum of consecutive naturals, namely, 41746254428 + 41746254429.

It is an arithmetic number, because the mean of its divisors is an integer number (41746254429).

Almost surely, 283492508857 is an apocalyptic number.

It is an amenable number.

83492508857 is a deficient number, since it is larger than the sum of its proper divisors (1).

83492508857 is an equidigital number, since it uses as much as digits as its factorization.

83492508857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 83492508857 in words is "eighty-three billion, four hundred ninety-two million, five hundred eight thousand, eight hundred fifty-seven".