Base | Representation |
---|---|
bin | 1100001011101001… |
… | …01010100111011110 |
3 | 121212210102200200010 |
4 | 12011310222213132 |
5 | 101343234034240 |
6 | 3000545544050 |
7 | 321033204336 |
oct | 60564524736 |
9 | 17783380603 |
10 | 6540143070 |
11 | 285681631a |
12 | 1326345026 |
13 | 802c67856 |
14 | 4608540c6 |
15 | 284280280 |
hex | 185d2a9de |
6540143070 has 16 divisors (see below), whose sum is σ = 15696343440. Its totient is φ = 1744038144.
The previous prime is 6540143041. The next prime is 6540143147. The reversal of 6540143070 is 703410456.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 218004769 = 6540143070 / (6 + 5 + 4 + 0 + 1 + 4 + 3 + 0 + 7 + 0).
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, 109002355 + ... + 109002414.
It is an arithmetic number, because the mean of its divisors is an integer number (981021465).
Almost surely, 26540143070 is an apocalyptic number.
6540143070 is an abundant number, since it is smaller than the sum of its proper divisors (9156200370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6540143070 is a wasteful number, since it uses less digits than its factorization.
6540143070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218004779.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 6540143070 is about 80871.1510366954. The cubic root of 6540143070 is about 1870.0896055512.
The spelling of 6540143070 in words is "six billion, five hundred forty million, one hundred forty-three thousand, seventy".
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