Base | Representation |
---|---|
bin | 10010111111111… |
… | …010101000101010 |
3 | 211012202221010012 |
4 | 102333322220222 |
5 | 1123044321010 |
6 | 51343451522 |
7 | 10620201044 |
oct | 2277725052 |
9 | 735687105 |
10 | 318745130 |
11 | 153a17a30 |
12 | 8a8b6ba2 |
13 | 51061cb2 |
14 | 30492a94 |
15 | 1ceb3005 |
hex | 12ffaa2a |
318745130 has 64 divisors (see below), whose sum is σ = 646565760. Its totient is φ = 112147200.
The previous prime is 318745129. The next prime is 318745157. The reversal of 318745130 is 31547813.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 449216 + ... + 449924.
It is an arithmetic number, because the mean of its divisors is an integer number (10102590).
Almost surely, 2318745130 is an apocalyptic number.
318745130 is an abundant number, since it is smaller than the sum of its proper divisors (327820630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
318745130 is a wasteful number, since it uses less digits than its factorization.
318745130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 855.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 318745130 is about 17853.4346835560. The cubic root of 318745130 is about 683.0951251142.
The spelling of 318745130 in words is "three hundred eighteen million, seven hundred forty-five thousand, one hundred thirty".
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