Base | Representation |
---|---|
bin | 111111100100100010… |
… | …111011100010011011 |
3 | 20112012002002221112001 |
4 | 333210202323202123 |
5 | 2104243232341301 |
6 | 51205132301431 |
7 | 4634342556061 |
oct | 774442734233 |
9 | 215162087461 |
10 | 68258871451 |
11 | 26a48398461 |
12 | 1128b911877 |
13 | 658a7ca984 |
14 | 34376a6031 |
15 | 1b97835c01 |
hex | fe48bb89b |
68258871451 has 2 divisors, whose sum is σ = 68258871452. Its totient is φ = 68258871450.
The previous prime is 68258871407. The next prime is 68258871479. The reversal of 68258871451 is 15417885286.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68258871451 - 229 = 67722000539 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68258871392 and 68258871401.
It is not a weakly prime, because it can be changed into another prime (68258871251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34129435725 + 34129435726.
It is an arithmetic number, because the mean of its divisors is an integer number (34129435726).
Almost surely, 268258871451 is an apocalyptic number.
68258871451 is a deficient number, since it is larger than the sum of its proper divisors (1).
68258871451 is an equidigital number, since it uses as much as digits as its factorization.
68258871451 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4300800, while the sum is 55.
The spelling of 68258871451 in words is "sixty-eight billion, two hundred fifty-eight million, eight hundred seventy-one thousand, four hundred fifty-one".
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