Base | Representation |
---|---|
bin | 111010101101010100001… |
… | …1100001110101001000101 |
3 | 1001120100220202211202002201 |
4 | 1311122220130032221011 |
5 | 2024144322241213211 |
6 | 25054424401234501 |
7 | 1461643520040445 |
oct | 165325034165105 |
9 | 31510822752081 |
10 | 8068774554181 |
11 | 2630a47979770 |
12 | aa3948332a31 |
13 | 466b611a8233 |
14 | 1dc760620125 |
15 | ded49bb10c1 |
hex | 756a870ea45 |
8068774554181 has 16 divisors (see below), whose sum is σ = 8921429719488. Its totient is φ = 7236543340800.
The previous prime is 8068774554133. The next prime is 8068774554199. The reversal of 8068774554181 is 1814554778608.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8068774554181 is a prime.
It is a super-2 number, since 2×80687745541812 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8068774554481) 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, 13939110 + ... + 14506423.
It is an arithmetic number, because the mean of its divisors is an integer number (557589357468).
Almost surely, 28068774554181 is an apocalyptic number.
It is an amenable number.
8068774554181 is a deficient number, since it is larger than the sum of its proper divisors (852655165307).
8068774554181 is a wasteful number, since it uses less digits than its factorization.
8068774554181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28445892.
The product of its (nonzero) digits is 60211200, while the sum is 64.
The spelling of 8068774554181 in words is "eight trillion, sixty-eight billion, seven hundred seventy-four million, five hundred fifty-four thousand, one hundred eighty-one".
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