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68561027 is a prime number
BaseRepresentation
bin1000001011000…
…10100010000011
311210000021001022
410011202202003
5120022423102
610445300055
71461521243
oct405424203
9153007038
1068561027
1135778a07
121ab6462b
1311286872
149169b23
1560445a2
hex4162883

68561027 has 2 divisors, whose sum is σ = 68561028. Its totient is φ = 68561026.

The previous prime is 68560993. The next prime is 68561041. The reversal of 68561027 is 72016586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68561027 - 28 = 68560771 is a prime.

It is a super-2 number, since 2×685610272 = 9401228846589458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68561627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34280513 + 34280514.

It is an arithmetic number, because the mean of its divisors is an integer number (34280514).

Almost surely, 268561027 is an apocalyptic number.

68561027 is a deficient number, since it is larger than the sum of its proper divisors (1).

68561027 is an equidigital number, since it uses as much as digits as its factorization.

68561027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 68561027 is about 8280.1586337461. The cubic root of 68561027 is about 409.2849463902.

The spelling of 68561027 in words is "sixty-eight million, five hundred sixty-one thousand, twenty-seven".