Base | Representation |
---|---|
bin | 11110111111111… |
… | …00000111111011 |
3 | 200010021221102201 |
4 | 33133330013323 |
5 | 1013031442341 |
6 | 41445211031 |
7 | 6305140534 |
oct | 1737740773 |
9 | 603257381 |
10 | 260030971 |
11 | 123865132 |
12 | 73100a77 |
13 | 41b453a5 |
14 | 2676b68b |
15 | 17c66331 |
hex | f7fc1fb |
260030971 has 2 divisors, whose sum is σ = 260030972. Its totient is φ = 260030970.
The previous prime is 260030959. The next prime is 260030999. The reversal of 260030971 is 179030062.
It is an a-pointer prime, because the next prime (260030999) can be obtained adding 260030971 to its sum of digits (28).
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-260030971 is a prime.
It is a super-2 number, since 2×2600309712 = 135232211758405682, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (260030921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130015485 + 130015486.
It is an arithmetic number, because the mean of its divisors is an integer number (130015486).
Almost surely, 2260030971 is an apocalyptic number.
260030971 is a deficient number, since it is larger than the sum of its proper divisors (1).
260030971 is an equidigital number, since it uses as much as digits as its factorization.
260030971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2268, while the sum is 28.
The square root of 260030971 is about 16125.4758379404. The cubic root of 260030971 is about 638.2757715132.
The spelling of 260030971 in words is "two hundred sixty million, thirty thousand, nine hundred seventy-one".
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