Base | Representation |
---|---|
bin | 1111011000011110… |
… | …10110111000010001 |
3 | 210022112200000012122 |
4 | 13230033112320101 |
5 | 113403123304040 |
6 | 3443250304025 |
7 | 411436244000 |
oct | 75417267021 |
9 | 23275600178 |
10 | 8258416145 |
11 | 355872a311 |
12 | 1725888015 |
13 | a17c41495 |
14 | 584b34c37 |
15 | 3350431b5 |
hex | 1ec3d6e11 |
8258416145 has 64 divisors (see below), whose sum is σ = 12446784000. Its totient is φ = 5238374400.
The previous prime is 8258416123. The next prime is 8258416157. The reversal of 8258416145 is 5416148528.
It is a de Polignac number, because none of the positive numbers 2k-8258416145 is a prime.
It is a super-2 number, since 2×82584161452 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 8258416096 and 8258416105.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1717745 + ... + 1722545.
It is an arithmetic number, because the mean of its divisors is an integer number (194481000).
Almost surely, 28258416145 is an apocalyptic number.
8258416145 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8258416145 is a deficient number, since it is larger than the sum of its proper divisors (4188367855).
8258416145 is a wasteful number, since it uses less digits than its factorization.
8258416145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4903 (or 4889 counting only the distinct ones).
The product of its digits is 307200, while the sum is 44.
The square root of 8258416145 is about 90875.8281667903. The cubic root of 8258416145 is about 2021.3068810789.
The spelling of 8258416145 in words is "eight billion, two hundred fifty-eight million, four hundred sixteen thousand, one hundred forty-five".
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