Base | Representation |
---|---|
bin | 1101010011100100… |
… | …00000101111011101 |
3 | 200102211121200200202 |
4 | 12221302000233131 |
5 | 104112204131122 |
6 | 3140500233245 |
7 | 342010061615 |
oct | 65162005735 |
9 | 20384550622 |
10 | 7143427037 |
11 | 303630750a |
12 | 147439b825 |
13 | 89ac43106 |
14 | 4baa13a45 |
15 | 2bc1eae92 |
hex | 1a9c80bdd |
7143427037 has 4 divisors (see below), whose sum is σ = 7147163100. Its totient is φ = 7139690976.
The previous prime is 7143427019. The next prime is 7143427051. The reversal of 7143427037 is 7307243417.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5319368356 + 1824058681 = 72934^2 + 42709^2 .
It is a cyclic number.
It is not a de Polignac number, because 7143427037 - 28 = 7143426781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7143424037) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1865162 + ... + 1868987.
It is an arithmetic number, because the mean of its divisors is an integer number (1786790775).
Almost surely, 27143427037 is an apocalyptic number.
It is an amenable number.
7143427037 is a deficient number, since it is larger than the sum of its proper divisors (3736063).
7143427037 is a wasteful number, since it uses less digits than its factorization.
7143427037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3736062.
The product of its (nonzero) digits is 98784, while the sum is 38.
The square root of 7143427037 is about 84518.7969448217. The cubic root of 7143427037 is about 1925.9080024688.
The spelling of 7143427037 in words is "seven billion, one hundred forty-three million, four hundred twenty-seven thousand, thirty-seven".
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