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68462891059967 is a prime number
BaseRepresentation
bin11111001000100010000100…
…10011010100101011111111
322222101222200120222011021122
433210101002103110223333
532433144000102404332
6401335230140221155
720264165156150645
oct1744210223245377
9288358616864248
1068462891059967
111a8a5a491a7958
12781869783a7bb
132c2803b49b621
1412c989b997195
157dad24889c12
hex3e44424d4aff

68462891059967 has 2 divisors, whose sum is σ = 68462891059968. Its totient is φ = 68462891059966.

The previous prime is 68462891059961. The next prime is 68462891060009. The reversal of 68462891059967 is 76995019826486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68462891059967 - 26 = 68462891059903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68462891059891 and 68462891059900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68462891059961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34231445529983 + 34231445529984.

It is an arithmetic number, because the mean of its divisors is an integer number (34231445529984).

Almost surely, 268462891059967 is an apocalyptic number.

68462891059967 is a deficient number, since it is larger than the sum of its proper divisors (1).

68462891059967 is an equidigital number, since it uses as much as digits as its factorization.

68462891059967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2821754880, while the sum is 80.

The spelling of 68462891059967 in words is "sixty-eight trillion, four hundred sixty-two billion, eight hundred ninety-one million, fifty-nine thousand, nine hundred sixty-seven".