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5920864681 is a prime number
BaseRepresentation
bin1011000001110100…
…10011100110101001
3120021122011002102111
411200322103212221
544111220132211
62415304402321
7266503343104
oct54072234651
916248132374
105920864681
1125691a02a6
121192a763a1
1373487c134
144024cd73b
15249c05421
hex160e939a9

5920864681 has 2 divisors, whose sum is σ = 5920864682. Its totient is φ = 5920864680.

The previous prime is 5920864679. The next prime is 5920864699. The reversal of 5920864681 is 1864680295.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5779040400 + 141824281 = 76020^2 + 11909^2 .

It is a cyclic number.

It is not a de Polignac number, because 5920864681 - 21 = 5920864679 is a prime.

It is a super-2 number, since 2×59208646812 = 70113277141426463522, which contains 22 as substring.

Together with 5920864679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5920814681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2960432340 + 2960432341.

It is an arithmetic number, because the mean of its divisors is an integer number (2960432341).

Almost surely, 25920864681 is an apocalyptic number.

It is an amenable number.

5920864681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5920864681 is an equidigital number, since it uses as much as digits as its factorization.

5920864681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 5920864681 is about 76947.1551196014. The cubic root of 5920864681 is about 1809.0964101911.

The spelling of 5920864681 in words is "five billion, nine hundred twenty million, eight hundred sixty-four thousand, six hundred eighty-one".