Base | Representation |
---|---|
bin | 1100001110100… |
… | …01000011010001 |
3 | 21011000000001012 |
4 | 12013101003101 |
5 | 202224140040 |
6 | 14102220305 |
7 | 2353546331 |
oct | 607210321 |
9 | 234000035 |
10 | 102568145 |
11 | 52995a69 |
12 | 2a424695 |
13 | 18332714 |
14 | d89d0c1 |
15 | 9010865 |
hex | 61d10d1 |
102568145 has 16 divisors (see below), whose sum is σ = 125533632. Its totient is φ = 80429760.
The previous prime is 102568133. The next prime is 102568177. The reversal of 102568145 is 541865201.
It is not a de Polignac number, because 102568145 - 24 = 102568129 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159194 + ... + 159836.
It is an arithmetic number, because the mean of its divisors is an integer number (7845852).
Almost surely, 2102568145 is an apocalyptic number.
It is an amenable number.
102568145 is a deficient number, since it is larger than the sum of its proper divisors (22965487).
102568145 is an equidigital number, since it uses as much as digits as its factorization.
102568145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1232.
The product of its (nonzero) digits is 9600, while the sum is 32.
The square root of 102568145 is about 10127.5932481513. The cubic root of 102568145 is about 468.0987704577.
The spelling of 102568145 in words is "one hundred two million, five hundred sixty-eight thousand, one hundred forty-five".
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