Base | Representation |
---|---|
bin | 1101000100110011… |
… | …10010000111001001 |
3 | 200010012200102010212 |
4 | 12202121302013021 |
5 | 103334011311040 |
6 | 3120315050505 |
7 | 335644625405 |
oct | 64231620711 |
9 | 20105612125 |
10 | 7019635145 |
11 | 2a82445866 |
12 | 143aa40a35 |
13 | 87b3bc283 |
14 | 4a83cc105 |
15 | 2b13e6d65 |
hex | 1a26721c9 |
7019635145 has 16 divisors (see below), whose sum is σ = 8593652880. Its totient is φ = 5503432704.
The previous prime is 7019635141. The next prime is 7019635151. The reversal of 7019635145 is 5415369107.
It can be written as a sum of positive squares in 8 ways, for example, as 1963287481 + 5056347664 = 44309^2 + 71108^2 .
It is a cyclic number.
It is not a de Polignac number, because 7019635145 - 22 = 7019635141 is a prime.
It is not an unprimeable number, because it can be changed into a prime (7019635141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19514 + ... + 120083.
It is an arithmetic number, because the mean of its divisors is an integer number (537103305).
Almost surely, 27019635145 is an apocalyptic number.
It is an amenable number.
7019635145 is a deficient number, since it is larger than the sum of its proper divisors (1574017735).
7019635145 is a wasteful number, since it uses less digits than its factorization.
7019635145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139804.
The product of its (nonzero) digits is 113400, while the sum is 41.
The square root of 7019635145 is about 83783.2629168857. The cubic root of 7019635145 is about 1914.7181168809.
The spelling of 7019635145 in words is "seven billion, nineteen million, six hundred thirty-five thousand, one hundred forty-five".
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