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2068304033281 is a prime number
BaseRepresentation
bin11110000110010000100…
…001101111011000000001
321022201122122221020212111
4132012100201233120001
5232341341313031111
64222055445255321
7302300334131233
oct36062041573001
97281578836774
102068304033281
11728187784a72
12294a26a04541
1312006a515205
147216c150253
1538c04784a21
hex1e19086f601

2068304033281 has 2 divisors, whose sum is σ = 2068304033282. Its totient is φ = 2068304033280.

The previous prime is 2068304033101. The next prime is 2068304033339. The reversal of 2068304033281 is 1823304038602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2009759875600 + 58544157681 = 1417660^2 + 241959^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068304033281 - 223 = 2068295644673 is a prime.

It is a super-2 number, since 2×20683040332812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2068304033581) by changing a digit.

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 as a sum of consecutive naturals, namely, 1034152016640 + 1034152016641.

It is an arithmetic number, because the mean of its divisors is an integer number (1034152016641).

Almost surely, 22068304033281 is an apocalyptic number.

It is an amenable number.

2068304033281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068304033281 is an equidigital number, since it uses as much as digits as its factorization.

2068304033281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 2068304033281 in words is "two trillion, sixty-eight billion, three hundred four million, thirty-three thousand, two hundred eighty-one".