Base | Representation |
---|---|
bin | 10011011100010101101… |
… | …00001100110101010111 |
3 | 2100212100110210212012021 |
4 | 21232022310030311113 |
5 | 41421131002330433 |
6 | 1230521501434011 |
7 | 66156605465122 |
oct | 11561264146527 |
9 | 2325313725167 |
10 | 668048870743 |
11 | 238355198351 |
12 | a958026b907 |
13 | 4acc5aabbb7 |
14 | 24495ac33b9 |
15 | 1259e02122d |
hex | 9b8ad0cd57 |
668048870743 has 16 divisors (see below), whose sum is σ = 679820027040. Its totient is φ = 656380781056.
The previous prime is 668048870729. The next prime is 668048870789. The reversal of 668048870743 is 347078840866.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-668048870743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (668048874743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14476755 + ... + 14522827.
It is an arithmetic number, because the mean of its divisors is an integer number (42488751690).
Almost surely, 2668048870743 is an apocalyptic number.
668048870743 is a deficient number, since it is larger than the sum of its proper divisors (11771156297).
668048870743 is a wasteful number, since it uses less digits than its factorization.
668048870743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47186.
The product of its (nonzero) digits is 43352064, while the sum is 61.
The spelling of 668048870743 in words is "six hundred sixty-eight billion, forty-eight million, eight hundred seventy thousand, seven hundred forty-three".
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