Base | Representation |
---|---|
bin | 100000000110111100… |
… | …1111010010111100011 |
3 | 20120222102210020011121 |
4 | 1000031321322113203 |
5 | 2112203401334302 |
6 | 51402040553111 |
7 | 4660466543065 |
oct | 1001571722743 |
9 | 216872706147 |
10 | 68952761827 |
11 | 27274044584 |
12 | 11444182797 |
13 | 666b4ab1b1 |
14 | 34a18cd735 |
15 | 1bd86ece37 |
hex | 100de7a5e3 |
68952761827 has 2 divisors, whose sum is σ = 68952761828. Its totient is φ = 68952761826.
The previous prime is 68952761807. The next prime is 68952761863. The reversal of 68952761827 is 72816725986.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68952761827 is a prime.
It is not a weakly prime, because it can be changed into another prime (68952761807) 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, 34476380913 + 34476380914.
It is an arithmetic number, because the mean of its divisors is an integer number (34476380914).
Almost surely, 268952761827 is an apocalyptic number.
68952761827 is a deficient number, since it is larger than the sum of its proper divisors (1).
68952761827 is an equidigital number, since it uses as much as digits as its factorization.
68952761827 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 20321280, while the sum is 61.
The spelling of 68952761827 in words is "sixty-eight billion, nine hundred fifty-two million, seven hundred sixty-one thousand, eight hundred twenty-seven".
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