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83492508139 = 8344311871913
BaseRepresentation
bin100110111000010001…
…0101001000111101011
321222111201212212111021
41031300202221013223
52331443040230024
6102204514113311
76014010416035
oct1156042510753
9258451785437
1083492508139
1132455387147
121422157b837
137b4787a391
144080946c55
152289deade4
hex13708a91eb

83492508139 has 16 divisors (see below), whose sum is σ = 84804838272. Its totient is φ = 82188054208.

The previous prime is 83492508059. The next prime is 83492508157. The reversal of 83492508139 is 93180529438.

It is a cyclic number.

It is not a de Polignac number, because 83492508139 - 29 = 83492507627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83492508439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43643847 + ... + 43645759.

It is an arithmetic number, because the mean of its divisors is an integer number (5300302392).

Almost surely, 283492508139 is an apocalyptic number.

83492508139 is a deficient number, since it is larger than the sum of its proper divisors (1312330133).

83492508139 is a wasteful number, since it uses less digits than its factorization.

83492508139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 83492508139 in words is "eighty-three billion, four hundred ninety-two million, five hundred eight thousand, one hundred thirty-nine".

Divisors: 1 83 443 1187 1913 36769 98521 158779 525841 847459 2270731 43644803 70339097 188470673 1005933833 83492508139