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68914823 is a prime number
BaseRepresentation
bin1000001101110…
…00111010000111
311210200020100212
410012320322013
5120120233243
610501030035
71464523565
oct406707207
9153606325
1068914823
113599a7aa
121b0b531b
131137b903
14921ca35
1560b4318
hex41b8e87

68914823 has 2 divisors, whose sum is σ = 68914824. Its totient is φ = 68914822.

The previous prime is 68914799. The next prime is 68914837. The reversal of 68914823 is 32841986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68914823 - 212 = 68910727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68910823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34457411 + 34457412.

It is an arithmetic number, because the mean of its divisors is an integer number (34457412).

Almost surely, 268914823 is an apocalyptic number.

68914823 is a deficient number, since it is larger than the sum of its proper divisors (1).

68914823 is an equidigital number, since it uses as much as digits as its factorization.

68914823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 68914823 is about 8301.4952267649. The cubic root of 68914823 is about 409.9877509725.

The spelling of 68914823 in words is "sixty-eight million, nine hundred fourteen thousand, eight hundred twenty-three".