Base | Representation |
---|---|
bin | 1111001001100100… |
… | …01101011010001100 |
3 | 202222211022012200100 |
4 | 13210302031122030 |
5 | 113124113202133 |
6 | 3423021331100 |
7 | 405360126654 |
oct | 74462153214 |
9 | 22884265610 |
10 | 8133334668 |
11 | 34a4067798 |
12 | 16aba06a90 |
13 | 9c8058684 |
14 | 572295364 |
15 | 329086e13 |
hex | 1e4c8d68c |
8133334668 has 18 divisors (see below), whose sum is σ = 20559262724. Its totient is φ = 2711111544.
The previous prime is 8133334621. The next prime is 8133334679. The reversal of 8133334668 is 8664333318.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×81333346682 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112962946 + ... + 112963017.
Almost surely, 28133334668 is an apocalyptic number.
It is an amenable number.
8133334668 is an abundant number, since it is smaller than the sum of its proper divisors (12425928056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8133334668 is a wasteful number, since it uses less digits than its factorization.
8133334668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225925973 (or 225925968 counting only the distinct ones).
The product of its digits is 746496, while the sum is 45.
The square root of 8133334668 is about 90185.0024560625. The cubic root of 8133334668 is about 2011.0500580046.
The spelling of 8133334668 in words is "eight billion, one hundred thirty-three million, three hundred thirty-four thousand, six hundred sixty-eight".
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