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1680711713 is a prime number
BaseRepresentation
bin110010000101101…
…1010000000100001
311100010120000000222
41210023122000201
511420230233323
6434435252425
756435546102
oct14413320041
94303500028
101680711713
1179279964a
123aaa4a115
1320a285095
1411d3043a9
159c8439c8
hex642da021

1680711713 has 2 divisors, whose sum is σ = 1680711714. Its totient is φ = 1680711712.

The previous prime is 1680711679. The next prime is 1680711727. The reversal of 1680711713 is 3171170861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1666027489 + 14684224 = 40817^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1680711713 - 28 = 1680711457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1680711763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840355856 + 840355857.

It is an arithmetic number, because the mean of its divisors is an integer number (840355857).

Almost surely, 21680711713 is an apocalyptic number.

It is an amenable number.

1680711713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680711713 is an equidigital number, since it uses as much as digits as its factorization.

1680711713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 1680711713 is about 40996.4841541320. The cubic root of 1680711713 is about 1188.9522385400.

The spelling of 1680711713 in words is "one billion, six hundred eighty million, seven hundred eleven thousand, seven hundred thirteen".