Base | Representation |
---|---|
bin | 1011001011010000… |
… | …0111100111101001 |
3 | 21202002001011010202 |
4 | 2302310013213221 |
5 | 22121000212040 |
6 | 1213404321545 |
7 | 134225432342 |
oct | 26264074751 |
9 | 7662034122 |
10 | 3000007145 |
11 | 12aa475853 |
12 | 6b88432b5 |
13 | 38a6b7875 |
14 | 2066090c9 |
15 | 128596015 |
hex | b2d079e9 |
3000007145 has 16 divisors (see below), whose sum is σ = 3661493328. Its totient is φ = 2359069440.
The previous prime is 3000007123. The next prime is 3000007169. The reversal of 3000007145 is 5417000003.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 149621824 + 2850385321 = 12232^2 + 53389^2 .
It is not a de Polignac number, because 3000007145 - 224 = 2983229929 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680087 + ... + 684483.
It is an arithmetic number, because the mean of its divisors is an integer number (228843333).
Almost surely, 23000007145 is an apocalyptic number.
It is an amenable number.
3000007145 is a deficient number, since it is larger than the sum of its proper divisors (661486183).
3000007145 is a wasteful number, since it uses less digits than its factorization.
3000007145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6700.
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 3000007145 is about 54772.3209751057. The cubic root of 3000007145 is about 1442.2507152924.
Adding to 3000007145 its reverse (5417000003), we get a palindrome (8417007148).
The spelling of 3000007145 in words is "three billion, seven thousand, one hundred forty-five".
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