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1068013481 is a prime number
BaseRepresentation
bin111111101010001…
…001011110101001
32202102122201001212
4333222021132221
54141402412411
6253551122505
735315651633
oct7752113651
92672581055
101068013481
114a8958377
12259813435
13140361752
14a1bb3a53
1563b6868b
hex3fa897a9

1068013481 has 2 divisors, whose sum is σ = 1068013482. Its totient is φ = 1068013480.

The previous prime is 1068013459. The next prime is 1068013483. The reversal of 1068013481 is 1843108601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1057875625 + 10137856 = 32525^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068013481 - 214 = 1067997097 is a prime.

It is a super-2 number, since 2×10680134812 = 2281305591195474722, which contains 22 as substring.

Together with 1068013483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1068013483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534006740 + 534006741.

It is an arithmetic number, because the mean of its divisors is an integer number (534006741).

Almost surely, 21068013481 is an apocalyptic number.

It is an amenable number.

1068013481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068013481 is an equidigital number, since it uses as much as digits as its factorization.

1068013481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1068013481 is about 32680.4755320359. The cubic root of 1068013481 is about 1022.1757608797.

The spelling of 1068013481 in words is "one billion, sixty-eight million, thirteen thousand, four hundred eighty-one".