Base | Representation |
---|---|
bin | 10010011110010110… |
… | …10000010100110100 |
3 | 221121020000002100220 |
4 | 21033023100110310 |
5 | 130303040110413 |
6 | 4320103134340 |
7 | 500533014054 |
oct | 111713202464 |
9 | 27536002326 |
10 | 9918285108 |
11 | 422a682446 |
12 | 1b097443b0 |
13 | c20aa9674 |
14 | 6a1371564 |
15 | 3d0b1b223 |
hex | 24f2d0534 |
9918285108 has 24 divisors (see below), whose sum is σ = 23149456512. Its totient is φ = 3305124864.
The previous prime is 9918285107. The next prime is 9918285109. The reversal of 9918285108 is 8015828199.
It is an interprime number because it is at equal distance from previous prime (9918285107) and next prime (9918285109).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9918285103) 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, 78060 + ... + 161027.
It is an arithmetic number, because the mean of its divisors is an integer number (964560688).
Almost surely, 29918285108 is an apocalyptic number.
It is an amenable number.
9918285108 is an abundant number, since it is smaller than the sum of its proper divisors (13231171404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9918285108 is a wasteful number, since it uses less digits than its factorization.
9918285108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242551 (or 242549 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 51.
The square root of 9918285108 is about 99590.5874468064. The cubic root of 9918285108 is about 2148.5503195167.
The spelling of 9918285108 in words is "nine billion, nine hundred eighteen million, two hundred eighty-five thousand, one hundred eight".
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