Base | Representation |
---|---|
bin | 111111100000010011… |
… | …111100000000111011 |
3 | 20112000010102210020022 |
4 | 333200103330000323 |
5 | 2104122041114004 |
6 | 51154113521055 |
7 | 4632521004062 |
oct | 774023740073 |
9 | 215003383208 |
10 | 68187832379 |
11 | 26a11287787 |
12 | 1126bb7318b |
13 | 6578b87214 |
14 | 342c0931d9 |
15 | 1b914a22be |
hex | fe04fc03b |
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".
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