Base | Representation |
---|---|
bin | 100110101000… |
… | …001000011111 |
3 | 201001110001200 |
4 | 212220020133 |
5 | 10043011410 |
6 | 1001010543 |
7 | 152032305 |
oct | 46501037 |
9 | 21043050 |
10 | 10125855 |
11 | 5796783 |
12 | 3483a53 |
13 | 2136c3c |
14 | 14b8275 |
15 | d503c0 |
hex | 9a821f |
10125855 has 24 divisors (see below), whose sum is σ = 17963088. Its totient is φ = 5273856.
The previous prime is 10125853. The next prime is 10125881. The reversal of 10125855 is 55852101.
It is not a de Polignac number, because 10125855 - 21 = 10125853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10125853) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 682 + ... + 4551.
It is an arithmetic number, because the mean of its divisors is an integer number (748462).
Almost surely, 210125855 is an apocalyptic number.
10125855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10125855 is a deficient number, since it is larger than the sum of its proper divisors (7837233).
10125855 is a wasteful number, since it uses less digits than its factorization.
10125855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5287 (or 5284 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 27.
The square root of 10125855 is about 3182.1148627917. The cubic root of 10125855 is about 216.3435248729.
Adding to 10125855 its reverse (55852101), we get a palindrome (65977956).
The spelling of 10125855 in words is "ten million, one hundred twenty-five thousand, eight hundred fifty-five".
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