Base | Representation |
---|---|
bin | 10000000101011… |
… | …110011111101001 |
3 | 200210210212112020 |
4 | 100011132133221 |
5 | 1023041333311 |
6 | 42440135053 |
7 | 6454603104 |
oct | 2005363751 |
9 | 623725466 |
10 | 269871081 |
11 | 129376157 |
12 | 76467489 |
13 | 43bac23c |
14 | 27bad73b |
15 | 18a5bc06 |
hex | 1015e7e9 |
269871081 has 16 divisors (see below), whose sum is σ = 370476288. Its totient is φ = 174614400.
The previous prime is 269871059. The next prime is 269871101. The reversal of 269871081 is 180178962.
It is not a de Polignac number, because 269871081 - 210 = 269870057 is a prime.
It is a super-2 number, since 2×2698710812 = 145660800720217122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (269871281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45021 + ... + 50661.
It is an arithmetic number, because the mean of its divisors is an integer number (23154768).
Almost surely, 2269871081 is an apocalyptic number.
It is an amenable number.
269871081 is a deficient number, since it is larger than the sum of its proper divisors (100605207).
269871081 is a wasteful number, since it uses less digits than its factorization.
269871081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6112.
The product of its (nonzero) digits is 48384, while the sum is 42.
The square root of 269871081 is about 16427.7533765272. The cubic root of 269871081 is about 646.2275211638.
The spelling of 269871081 in words is "two hundred sixty-nine million, eight hundred seventy-one thousand, eighty-one".
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