Base | Representation |
---|---|
bin | 1111000010000… |
… | …11100011100001 |
3 | 22210021211200010 |
4 | 13201003203201 |
5 | 224240341300 |
6 | 20302515133 |
7 | 3060611316 |
oct | 741034341 |
9 | 283254603 |
10 | 126105825 |
11 | 6520219a |
12 | 36295aa9 |
13 | 20184141 |
14 | 12a68d0d |
15 | b10ea50 |
hex | 78438e1 |
126105825 has 12 divisors (see below), whose sum is σ = 208495088. Its totient is φ = 67256400.
The previous prime is 126105817. The next prime is 126105827. The reversal of 126105825 is 528501621.
It is not a de Polignac number, because 126105825 - 23 = 126105817 is a prime.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 126105792 and 126105801.
It is not an unprimeable number, because it can be changed into a prime (126105827) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 840631 + ... + 840780.
Almost surely, 2126105825 is an apocalyptic number.
126105825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
126105825 is a deficient number, since it is larger than the sum of its proper divisors (82389263).
126105825 is a wasteful number, since it uses less digits than its factorization.
126105825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1681424 (or 1681419 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 126105825 is about 11229.6849911295. The cubic root of 126105825 is about 501.4701066698.
The spelling of 126105825 in words is "one hundred twenty-six million, one hundred five thousand, eight hundred twenty-five".
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