Base | Representation |
---|---|
bin | 1111010011111011… |
… | …01111001000001010 |
3 | 210012212211120201210 |
4 | 13221331233020022 |
5 | 113313340224232 |
6 | 3435404153550 |
7 | 410463623256 |
oct | 75175571012 |
9 | 23185746653 |
10 | 8220242442 |
11 | 35391268a5 |
12 | 1714b388b6 |
13 | a10066ca9 |
14 | 57da39266 |
15 | 331a025cc |
hex | 1e9f6f20a |
8220242442 has 32 divisors (see below), whose sum is σ = 16794667008. Its totient is φ = 2681322176.
The previous prime is 8220242417. The next prime is 8220242461. The reversal of 8220242442 is 2442420228.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88048 + ... + 155540.
It is an arithmetic number, because the mean of its divisors is an integer number (524833344).
Almost surely, 28220242442 is an apocalyptic number.
8220242442 is an abundant number, since it is smaller than the sum of its proper divisors (8574424566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8220242442 is a wasteful number, since it uses less digits than its factorization.
8220242442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67934.
The product of its (nonzero) digits is 16384, while the sum is 30.
The square root of 8220242442 is about 90665.5526757544. The cubic root of 8220242442 is about 2018.1876403448.
The spelling of 8220242442 in words is "eight billion, two hundred twenty million, two hundred forty-two thousand, four hundred forty-two".
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