Base | Representation |
---|---|
bin | 100000000010010010… |
… | …0011011010100010101 |
3 | 20120120112001202010001 |
4 | 1000010210123110111 |
5 | 2111343302302202 |
6 | 51334323531301 |
7 | 4653555332134 |
oct | 1000444332425 |
9 | 216515052101 |
10 | 68796134677 |
11 | 271a3696256 |
12 | 113bb829b31 |
13 | 6644bcb9ca |
14 | 3488b9b91b |
15 | 1bc9aaed87 |
hex | 100491b515 |
68796134677 has 2 divisors, whose sum is σ = 68796134678. Its totient is φ = 68796134676.
The previous prime is 68796134657. The next prime is 68796134683. The reversal of 68796134677 is 77643169786.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 50071222756 + 18724911921 = 223766^2 + 136839^2 .
It is a cyclic number.
It is not a de Polignac number, because 68796134677 - 215 = 68796101909 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68796134657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34398067338 + 34398067339.
It is an arithmetic number, because the mean of its divisors is an integer number (34398067339).
Almost surely, 268796134677 is an apocalyptic number.
It is an amenable number.
68796134677 is a deficient number, since it is larger than the sum of its proper divisors (1).
68796134677 is an equidigital number, since it uses as much as digits as its factorization.
68796134677 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 64012032, while the sum is 64.
The spelling of 68796134677 in words is "sixty-eight billion, seven hundred ninety-six million, one hundred thirty-four thousand, six hundred seventy-seven".
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