Base | Representation |
---|---|
bin | 1100000011001001… |
… | …10001110101101110 |
3 | 121200211022121200202 |
4 | 12001210301311232 |
5 | 101222012310421 |
6 | 2545522153502 |
7 | 316206324542 |
oct | 60144616556 |
9 | 17624277622 |
10 | 6468869486 |
11 | 281a565432 |
12 | 13064b2892 |
13 | 7c1271431 |
14 | 4551bda22 |
15 | 27cda210b |
hex | 181931d6e |
6468869486 has 4 divisors (see below), whose sum is σ = 9703304232. Its totient is φ = 3234434742.
The previous prime is 6468869471. The next prime is 6468869549. The reversal of 6468869486 is 6849688646.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6849688646 = 2 ⋅3424844323.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617217370 + ... + 1617217373.
It is an arithmetic number, because the mean of its divisors is an integer number (2425826058).
Almost surely, 26468869486 is an apocalyptic number.
6468869486 is a deficient number, since it is larger than the sum of its proper divisors (3234434746).
6468869486 is a wasteful number, since it uses less digits than its factorization.
6468869486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3234434745.
The product of its digits is 95551488, while the sum is 65.
The square root of 6468869486 is about 80429.2825157604. The cubic root of 6468869486 is about 1863.2714506163.
The spelling of 6468869486 in words is "six billion, four hundred sixty-eight million, eight hundred sixty-nine thousand, four hundred eighty-six".
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