Base | Representation |
---|---|
bin | 1000000111001… |
… | …11010110111011 |
3 | 11202001121222101 |
4 | 10003213112323 |
5 | 114410302012 |
6 | 10430404231 |
7 | 1454320321 |
oct | 403472673 |
9 | 152047871 |
10 | 68056507 |
11 | 35463952 |
12 | 1a960677 |
13 | 1113b02c |
14 | 9077d11 |
15 | 5e94d57 |
hex | 40e75bb |
68056507 has 2 divisors, whose sum is σ = 68056508. Its totient is φ = 68056506.
The previous prime is 68056489. The next prime is 68056511. The reversal of 68056507 is 70565086.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68056507 - 219 = 67532219 is a prime.
It is not a weakly prime, because it can be changed into another prime (68056567) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34028253 + 34028254.
It is an arithmetic number, because the mean of its divisors is an integer number (34028254).
Almost surely, 268056507 is an apocalyptic number.
68056507 is a deficient number, since it is larger than the sum of its proper divisors (1).
68056507 is an equidigital number, since it uses as much as digits as its factorization.
68056507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50400, while the sum is 37.
The square root of 68056507 is about 8249.6367798831. The cubic root of 68056507 is about 408.2785387347.
The spelling of 68056507 in words is "sixty-eight million, fifty-six thousand, five hundred seven".
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