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83080173460 = 22519321523361
BaseRepresentation
bin100110101011111110…
…1101101011110010100
321221110000000002122111
41031113331231132110
52330122011022320
6102055544240404
76000542552104
oct1152775553624
9257400002574
1083080173460
1132263656a89
1214127470104
137ab030a66b
144041c91204
152263aeca5a
hex1357f6d794

83080173460 has 24 divisors (see below), whose sum is σ = 175372353576. Its totient is φ = 33059880960.

The previous prime is 83080173439. The next prime is 83080173487. The reversal of 83080173460 is 6437108038.

It can be written as a sum of positive squares in 4 ways, for example, as 3481708036 + 79598465424 = 59006^2 + 282132^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10757821 + ... + 10765540.

It is an arithmetic number, because the mean of its divisors is an integer number (7307181399).

Almost surely, 283080173460 is an apocalyptic number.

It is an amenable number.

83080173460 is an abundant number, since it is smaller than the sum of its proper divisors (92292180116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83080173460 is a wasteful number, since it uses less digits than its factorization.

83080173460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523563 (or 21523561 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 83080173460 in words is "eighty-three billion, eighty million, one hundred seventy-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 21523361 43046722 86093444 107616805 215233610 430467220 4154008673 8308017346 16616034692 20770043365 41540086730 83080173460