Base | Representation |
---|---|
bin | 100110101001… |
… | …011101000001 |
3 | 201001201111001 |
4 | 212221131001 |
5 | 10043200030 |
6 | 1001052001 |
7 | 152054134 |
oct | 46513501 |
9 | 21051431 |
10 | 10131265 |
11 | 579a851 |
12 | 3487001 |
13 | 2139541 |
14 | 14ba21b |
15 | d51cca |
hex | 9a9741 |
10131265 has 16 divisors (see below), whose sum is σ = 12658176. Its totient is φ = 7776000.
The previous prime is 10131263. The next prime is 10131281. The reversal of 10131265 is 56213101.
It is not a de Polignac number, because 10131265 - 21 = 10131263 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10131263) 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 15 ways as a sum of consecutive naturals, for example, 25065 + ... + 25465.
It is an arithmetic number, because the mean of its divisors is an integer number (791136).
Almost surely, 210131265 is an apocalyptic number.
It is an amenable number.
10131265 is a deficient number, since it is larger than the sum of its proper divisors (2526911).
10131265 is a wasteful number, since it uses less digits than its factorization.
10131265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 600.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 10131265 is about 3182.9648128749. The cubic root of 10131265 is about 216.3820470550.
Adding to 10131265 its reverse (56213101), we get a palindrome (66344366).
It can be divided in two parts, 1013 and 1265, that added together give a triangular number (2278 = T67).
The spelling of 10131265 in words is "ten million, one hundred thirty-one thousand, two hundred sixty-five".
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