Base | Representation |
---|---|
bin | 1111111011111000… |
… | …01100000111111101 |
3 | 211002020110101202001 |
4 | 13331330030013331 |
5 | 120010134144440 |
6 | 3532535302301 |
7 | 422003353315 |
oct | 77574140775 |
9 | 24066411661 |
10 | 8555381245 |
11 | 36a0320614 |
12 | 17a921a991 |
13 | a64618a88 |
14 | 5b2358445 |
15 | 351152b9a |
hex | 1fdf0c1fd |
8555381245 has 8 divisors (see below), whose sum is σ = 10368106200. Its totient is φ = 6776539200.
The previous prime is 8555381227. The next prime is 8555381251. The reversal of 8555381245 is 5421835558.
It can be written as a sum of positive squares in 4 ways, for example, as 1332761049 + 7222620196 = 36507^2 + 84986^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8555381245 - 29 = 8555380733 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8555381195 and 8555381204.
It is a congruent 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, 8470170 + ... + 8471179.
It is an arithmetic number, because the mean of its divisors is an integer number (1296013275).
Almost surely, 28555381245 is an apocalyptic number.
It is an amenable number.
8555381245 is a deficient number, since it is larger than the sum of its proper divisors (1812724955).
8555381245 is a wasteful number, since it uses less digits than its factorization.
8555381245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16941455.
The product of its digits is 960000, while the sum is 46.
The square root of 8555381245 is about 92495.3039078201. The cubic root of 8555381245 is about 2045.2502564156.
The spelling of 8555381245 in words is "eight billion, five hundred fifty-five million, three hundred eighty-one thousand, two hundred forty-five".
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