Base | Representation |
---|---|
bin | 1101000000101011… |
… | …10011000101101111 |
3 | 200000210120121020100 |
4 | 12200111303011233 |
5 | 103301132124033 |
6 | 3113041322143 |
7 | 335044553601 |
oct | 64025630557 |
9 | 20023517210 |
10 | 6985036143 |
11 | 2a64964048 |
12 | 142b336353 |
13 | 874196ba7 |
14 | 4a3983171 |
15 | 2ad360513 |
hex | 1a057316f |
6985036143 has 24 divisors (see below), whose sum is σ = 10931448528. Its totient is φ = 4280838912.
The previous prime is 6985036117. The next prime is 6985036159. The reversal of 6985036143 is 3416305896.
It is not a de Polignac number, because 6985036143 - 28 = 6985035887 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6985036103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524280 + ... + 537437.
It is an arithmetic number, because the mean of its divisors is an integer number (455477022).
Almost surely, 26985036143 is an apocalyptic number.
6985036143 is a deficient number, since it is larger than the sum of its proper divisors (3946412385).
6985036143 is a wasteful number, since it uses less digits than its factorization.
6985036143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1061783 (or 1061780 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 45.
The square root of 6985036143 is about 83576.5286608627. The cubic root of 6985036143 is about 1911.5671232501.
The spelling of 6985036143 in words is "six billion, nine hundred eighty-five million, thirty-six thousand, one hundred forty-three".
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