Base | Representation |
---|---|
bin | 1111010011111101… |
… | …00110110101100110 |
3 | 210012220021011202012 |
4 | 13221332212311212 |
5 | 113313420030010 |
6 | 3435413114222 |
7 | 410465563451 |
oct | 75176466546 |
9 | 23186234665 |
10 | 8220470630 |
11 | 3539272289 |
12 | 1715028972 |
13 | a10116b08 |
14 | 57da98498 |
15 | 331a4a005 |
hex | 1e9fa6d66 |
8220470630 has 16 divisors (see below), whose sum is σ = 14801359824. Its totient is φ = 3287185440.
The previous prime is 8220470627. The next prime is 8220470639. The reversal of 8220470630 is 360740228.
It is a super-2 number, since 2×82204706302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8220470639) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90461 + ... + 156920.
It is an arithmetic number, because the mean of its divisors is an integer number (925084989).
Almost surely, 28220470630 is an apocalyptic number.
8220470630 is a deficient number, since it is larger than the sum of its proper divisors (6580889194).
8220470630 is a wasteful number, since it uses less digits than its factorization.
8220470630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250711.
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 8220470630 is about 90666.8110721889. The cubic root of 8220470630 is about 2018.2063146497.
The spelling of 8220470630 in words is "eight billion, two hundred twenty million, four hundred seventy thousand, six hundred thirty".
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