Base | Representation |
---|---|
bin | 10011000001011001… |
… | …00111010100100101 |
3 | 222100201010200102001 |
4 | 21200230213110211 |
5 | 131403313231400 |
6 | 4405203445301 |
7 | 511032426256 |
oct | 114054472445 |
9 | 28321120361 |
10 | 10212242725 |
11 | 43705aa123 |
12 | 1b90086831 |
13 | c69970099 |
14 | 6cc410b2d |
15 | 3eb834a6a |
hex | 260b27525 |
10212242725 has 12 divisors (see below), whose sum is σ = 12902110596. Its totient is φ = 8015646080.
The previous prime is 10212242723. The next prime is 10212242749. The reversal of 10212242725 is 52724221201.
It can be written as a sum of positive squares in 6 ways, for example, as 15888196 + 10196354529 = 3986^2 + 100977^2 .
It is not a de Polignac number, because 10212242725 - 21 = 10212242723 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10212242693 and 10212242702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10212242723) 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, 3852352 + ... + 3855001.
It is an arithmetic number, because the mean of its divisors is an integer number (1075175883).
Almost surely, 210212242725 is an apocalyptic number.
It is an amenable number.
10212242725 is a deficient number, since it is larger than the sum of its proper divisors (2689867871).
10212242725 is an equidigital number, since it uses as much as digits as its factorization.
10212242725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7707416 (or 7707411 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 28.
Adding to 10212242725 its reverse (52724221201), we get a palindrome (62936463926).
The spelling of 10212242725 in words is "ten billion, two hundred twelve million, two hundred forty-two thousand, seven hundred twenty-five".
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