Base | Representation |
---|---|
bin | 1111001000100101… |
… | …11110011011101100 |
3 | 202222020220020010012 |
4 | 13210102332123230 |
5 | 113120014144420 |
6 | 3422130032352 |
7 | 405230415545 |
oct | 74422763354 |
9 | 22866806105 |
10 | 8125146860 |
11 | 349a485106 |
12 | 16a91186b8 |
13 | 9c644c90c |
14 | 5711634cc |
15 | 3284badc5 |
hex | 1e44be6ec |
8125146860 has 24 divisors (see below), whose sum is σ = 17065747440. Its totient is φ = 3249498944.
The previous prime is 8125146857. The next prime is 8125146877. The reversal of 8125146860 is 686415218.
It is a super-2 number, since 2×81251468602 (a number of 21 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 95987 + ... + 159573.
It is an arithmetic number, because the mean of its divisors is an integer number (711072810).
Almost surely, 28125146860 is an apocalyptic number.
It is an amenable number.
8125146860 is an abundant number, since it is smaller than the sum of its proper divisors (8940600580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8125146860 is a wasteful number, since it uses less digits than its factorization.
8125146860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69985 (or 69983 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 41.
The square root of 8125146860 is about 90139.5965156268. The cubic root of 8125146860 is about 2010.3749917094.
The spelling of 8125146860 in words is "eight billion, one hundred twenty-five million, one hundred forty-six thousand, eight hundred sixty".
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