Base | Representation |
---|---|
bin | 100001000110000000… |
… | …0011001010000000111 |
3 | 20210102212201021222200 |
4 | 1002030000121100013 |
5 | 2131022001443112 |
6 | 52352014125543 |
7 | 5064066231330 |
oct | 1021400312007 |
9 | 223385637880 |
10 | 71068390407 |
11 | 2815a287653 |
12 | 119347b08b3 |
13 | 69178ab821 |
14 | 3622887287 |
15 | 1cae300cdc |
hex | 108c019407 |
71068390407 has 24 divisors (see below), whose sum is σ = 118214828160. Its totient is φ = 40300500240.
The previous prime is 71068390373. The next prime is 71068390423. The reversal of 71068390407 is 70409386017.
It is not a de Polignac number, because 71068390407 - 223 = 71060001799 is a prime.
It is a super-3 number, since 3×710683904073 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71068390487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4297357 + ... + 4313862.
It is an arithmetic number, because the mean of its divisors is an integer number (4925617840).
Almost surely, 271068390407 is an apocalyptic number.
71068390407 is a deficient number, since it is larger than the sum of its proper divisors (47146437753).
71068390407 is a wasteful number, since it uses less digits than its factorization.
71068390407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8611363 (or 8611360 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The spelling of 71068390407 in words is "seventy-one billion, sixty-eight million, three hundred ninety thousand, four hundred seven".
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