Base | Representation |
---|---|
bin | 11110111011010100010111… |
… | …10010011100000101001011 |
3 | 22220210120202012120111000002 |
4 | 33131222023302130011023 |
5 | 32403224114444420412 |
6 | 400350500543433215 |
7 | 20216322612662132 |
oct | 1735521362340513 |
9 | 286716665514002 |
10 | 68008857420107 |
11 | 1a74043803214a |
12 | 77646a48b580b |
13 | 2bc4291521226 |
14 | 12b19094b4919 |
15 | 7ce0ee42ddc2 |
hex | 3dda8bc9c14b |
68008857420107 has 2 divisors, whose sum is σ = 68008857420108. Its totient is φ = 68008857420106.
The previous prime is 68008857420079. The next prime is 68008857420167. The reversal of 68008857420107 is 70102475880086.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68008857420107 - 28 = 68008857419851 is a prime.
It is not a weakly prime, because it can be changed into another prime (68008857420167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34004428710053 + 34004428710054.
It is an arithmetic number, because the mean of its divisors is an integer number (34004428710054).
Almost surely, 268008857420107 is an apocalyptic number.
68008857420107 is a deficient number, since it is larger than the sum of its proper divisors (1).
68008857420107 is an equidigital number, since it uses as much as digits as its factorization.
68008857420107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6021120, while the sum is 56.
The spelling of 68008857420107 in words is "sixty-eight trillion, eight billion, eight hundred fifty-seven million, four hundred twenty thousand, one hundred seven".
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