Base | Representation |
---|---|
bin | 1101010011011011… |
… | …10111111111110010 |
3 | 200102202120121011222 |
4 | 12221231313333302 |
5 | 104111414431032 |
6 | 3140421105042 |
7 | 341664624251 |
oct | 65155677762 |
9 | 20382517158 |
10 | 7142342642 |
11 | 3035736816 |
12 | 1473b58182 |
13 | 89a953666 |
14 | 4ba810798 |
15 | 2bc084a12 |
hex | 1a9b77ff2 |
7142342642 has 16 divisors (see below), whose sum is σ = 10759132800. Its totient is φ = 3555996720.
The previous prime is 7142342609. The next prime is 7142342659. The reversal of 7142342642 is 2462432417.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474167 + ... + 488997.
It is an arithmetic number, because the mean of its divisors is an integer number (672445800).
Almost surely, 27142342642 is an apocalyptic number.
7142342642 is a deficient number, since it is larger than the sum of its proper divisors (3616790158).
7142342642 is a wasteful number, since it uses less digits than its factorization.
7142342642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15841.
The product of its digits is 64512, while the sum is 35.
The square root of 7142342642 is about 84512.3815899185. The cubic root of 7142342642 is about 1925.8105445455.
The spelling of 7142342642 in words is "seven billion, one hundred forty-two million, three hundred forty-two thousand, six hundred forty-two".
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