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268784208023 is a prime number
BaseRepresentation
bin1111101001010011001…
…0011000100010010111
3221200210000220111022112
43322110302120202113
513400432224124043
6323251110221235
725263503033432
oct3722462304227
9850700814275
10268784208023
11a3a99750811
124411335481b
131c466903396
14d01b456819
156ed1e7a518
hex3e94c98897

268784208023 has 2 divisors, whose sum is σ = 268784208024. Its totient is φ = 268784208022.

The previous prime is 268784207969. The next prime is 268784208047. The reversal of 268784208023 is 320802487862.

268784208023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268784208023 - 212 = 268784203927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268784208223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134392104011 + 134392104012.

It is an arithmetic number, because the mean of its divisors is an integer number (134392104012).

Almost surely, 2268784208023 is an apocalyptic number.

268784208023 is a deficient number, since it is larger than the sum of its proper divisors (1).

268784208023 is an equidigital number, since it uses as much as digits as its factorization.

268784208023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 268784208023 in words is "two hundred sixty-eight billion, seven hundred eighty-four million, two hundred eight thousand, twenty-three".