Base | Representation |
---|---|
bin | 1011111110010111… |
… | …11011011000101011 |
3 | 121121000220220110021 |
4 | 11333023323120223 |
5 | 101131233104210 |
6 | 2541531301311 |
7 | 315211621522 |
oct | 57713733053 |
9 | 17530826407 |
10 | 6428800555 |
11 | 27a9988011 |
12 | 12b4baa837 |
13 | 7b5b823c8 |
14 | 44db4d4b9 |
15 | 2795d9bda |
hex | 17f2fb62b |
6428800555 has 8 divisors (see below), whose sum is σ = 7715145312. Its totient is φ = 5142650688.
The previous prime is 6428800531. The next prime is 6428800571. The reversal of 6428800555 is 5550088246.
6428800555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6428800555 - 25 = 6428800523 is a prime.
It is a super-3 number, since 3×64288005553 (a number of 30 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37834 + ... + 119536.
It is an arithmetic number, because the mean of its divisors is an integer number (964393164).
Almost surely, 26428800555 is an apocalyptic number.
6428800555 is a deficient number, since it is larger than the sum of its proper divisors (1286344757).
6428800555 is a wasteful number, since it uses less digits than its factorization.
6428800555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97445.
The product of its (nonzero) digits is 384000, while the sum is 43.
The square root of 6428800555 is about 80179.8014153191. The cubic root of 6428800555 is about 1859.4163732356.
The spelling of 6428800555 in words is "six billion, four hundred twenty-eight million, eight hundred thousand, five hundred fifty-five".
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