Base | Representation |
---|---|
bin | 11111000111001… |
… | …01010100010011 |
3 | 200012002110200000 |
4 | 33203211110103 |
5 | 1013303024011 |
6 | 41521501043 |
7 | 6316226340 |
oct | 1743452423 |
9 | 605073600 |
10 | 260986131 |
11 | 12435781a |
12 | 734a1783 |
13 | 420bb083 |
14 | 269397c7 |
15 | 17da4356 |
hex | f8e5513 |
260986131 has 48 divisors (see below), whose sum is σ = 453293568. Its totient is φ = 146966400.
The previous prime is 260986127. The next prime is 260986153. The reversal of 260986131 is 131689062.
It is not a de Polignac number, because 260986131 - 22 = 260986127 is a prime.
It is a super-3 number, since 3×2609861313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (260986031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119691 + ... + 121851.
It is an arithmetic number, because the mean of its divisors is an integer number (9443616).
Almost surely, 2260986131 is an apocalyptic number.
260986131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
260986131 is a deficient number, since it is larger than the sum of its proper divisors (192307437).
260986131 is an equidigital number, since it uses as much as digits as its factorization.
260986131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2254 (or 2242 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 260986131 is about 16155.0651809270. The cubic root of 260986131 is about 639.0563330618.
The spelling of 260986131 in words is "two hundred sixty million, nine hundred eighty-six thousand, one hundred thirty-one".
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