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68187832379 is a prime number
BaseRepresentation
bin111111100000010011…
…111100000000111011
320112000010102210020022
4333200103330000323
52104122041114004
651154113521055
74632521004062
oct774023740073
9215003383208
1068187832379
1126a11287787
121126bb7318b
136578b87214
14342c0931d9
151b914a22be
hexfe04fc03b

68187832379 has 2 divisors, whose sum is σ = 68187832380. Its totient is φ = 68187832378.

The previous prime is 68187832351. The next prime is 68187832387. The reversal of 68187832379 is 97323878186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68187832379 - 224 = 68171055163 is a prime.

It is not a weakly prime, because it can be changed into another prime (68187837379) 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, 34093916189 + 34093916190.

It is an arithmetic number, because the mean of its divisors is an integer number (34093916190).

Almost surely, 268187832379 is an apocalyptic number.

68187832379 is a deficient number, since it is larger than the sum of its proper divisors (1).

68187832379 is an equidigital number, since it uses as much as digits as its factorization.

68187832379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 62.

The spelling of 68187832379 in words is "sixty-eight billion, one hundred eighty-seven million, eight hundred thirty-two thousand, three hundred seventy-nine".