Base | Representation |
---|---|
bin | 101110101111010110001… |
… | …1010000110001110000111 |
3 | 211202010010110010221200111 |
4 | 1131132230122012032013 |
5 | 1320222040332124040 |
6 | 21355030130453451 |
7 | 1232052311264353 |
oct | 135365432061607 |
9 | 24663113127614 |
10 | 6423868629895 |
11 | 205739040a762 |
12 | 878ba4734287 |
13 | 3779ca9bc182 |
14 | 182cb9d92463 |
15 | b2176072dea |
hex | 5d7ac686387 |
6423868629895 has 16 divisors (see below), whose sum is σ = 7715451820032. Its totient is φ = 5134556576160.
The previous prime is 6423868629877. The next prime is 6423868629911. The reversal of 6423868629895 is 5989268683246.
It is not a de Polignac number, because 6423868629895 - 27 = 6423868629767 is a prime.
It is a super-2 number, since 2×64238686298952 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40782840 + ... + 40940050.
It is an arithmetic number, because the mean of its divisors is an integer number (482215738752).
Almost surely, 26423868629895 is an apocalyptic number.
6423868629895 is a deficient number, since it is larger than the sum of its proper divisors (1291583190137).
6423868629895 is a wasteful number, since it uses less digits than its factorization.
6423868629895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164382.
The product of its digits is 2149908480, while the sum is 76.
The spelling of 6423868629895 in words is "six trillion, four hundred twenty-three billion, eight hundred sixty-eight million, six hundred twenty-nine thousand, eight hundred ninety-five".
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