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1680582895 = 51138213623
BaseRepresentation
bin110010000101011…
…1010100011101111
311100010022110022221
41210022322203233
511420212123040
6434432420211
756434501405
oct14412724357
94303273287
101680582895
11792710892
123aa9a7667
1320a23b564
1411d2ad475
159c81a74a
hex642ba8ef

1680582895 has 16 divisors (see below), whose sum is σ = 2037586752. Its totient is φ = 1330577920.

The previous prime is 1680582877. The next prime is 1680582913. The reversal of 1680582895 is 5982850861.

It is an interprime number because it is at equal distance from previous prime (1680582877) and next prime (1680582913).

It is not a de Polignac number, because 1680582895 - 223 = 1672194287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 462054 + ... + 465676.

It is an arithmetic number, because the mean of its divisors is an integer number (127349172).

Almost surely, 21680582895 is an apocalyptic number.

1680582895 is a deficient number, since it is larger than the sum of its proper divisors (357003857).

1680582895 is a wasteful number, since it uses less digits than its factorization.

1680582895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562.

The product of its (nonzero) digits is 1382400, while the sum is 52.

The square root of 1680582895 is about 40994.9130380832. The cubic root of 1680582895 is about 1188.9218620511.

The spelling of 1680582895 in words is "one billion, six hundred eighty million, five hundred eighty-two thousand, eight hundred ninety-five".

Divisors: 1 5 113 565 821 3623 4105 18115 92773 409399 463865 2046995 2974483 14872415 336116579 1680582895