Base | Representation |
---|---|
bin | 100000000111001100… |
… | …1111011001011001111 |
3 | 20121000000120120201022 |
4 | 1000032121323023033 |
5 | 2112213023404433 |
6 | 51402540504355 |
7 | 4660631064236 |
oct | 1001631731317 |
9 | 217000516638 |
10 | 68961153743 |
11 | 27278856549 |
12 | 11446b4b0bb |
13 | 6670158b21 |
14 | 34a2a75b1d |
15 | 1bd9309698 |
hex | 100e67b2cf |
68961153743 has 2 divisors, whose sum is σ = 68961153744. Its totient is φ = 68961153742.
The previous prime is 68961153697. The next prime is 68961153773. The reversal of 68961153743 is 34735116986.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68961153743 - 28 = 68961153487 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68961153773) 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, 34480576871 + 34480576872.
It is an arithmetic number, because the mean of its divisors is an integer number (34480576872).
Almost surely, 268961153743 is an apocalyptic number.
68961153743 is a deficient number, since it is larger than the sum of its proper divisors (1).
68961153743 is an equidigital number, since it uses as much as digits as its factorization.
68961153743 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3265920, while the sum is 53.
The spelling of 68961153743 in words is "sixty-eight billion, nine hundred sixty-one million, one hundred fifty-three thousand, seven hundred forty-three".
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