Base | Representation |
---|---|
bin | 10011111001010000… |
… | …00001111110111101 |
3 | 1000120100211000121222 |
4 | 21330220001332331 |
5 | 133333241201021 |
6 | 4523502403125 |
7 | 525452221052 |
oct | 117450017675 |
9 | 30510730558 |
10 | 10680803261 |
11 | 4591042637 |
12 | 20a0b904a5 |
13 | 1012a67c3b |
14 | 734741029 |
15 | 427a3c6ab |
hex | 27ca01fbd |
10680803261 has 2 divisors, whose sum is σ = 10680803262. Its totient is φ = 10680803260.
The previous prime is 10680803213. The next prime is 10680803267. The reversal of 10680803261 is 16230808601.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8391659236 + 2289144025 = 91606^2 + 47845^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10680803261 is a prime.
It is a super-2 number, since 2×106808032612 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10680803267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340401630 + 5340401631.
It is an arithmetic number, because the mean of its divisors is an integer number (5340401631).
Almost surely, 210680803261 is an apocalyptic number.
It is an amenable number.
10680803261 is a deficient number, since it is larger than the sum of its proper divisors (1).
10680803261 is an equidigital number, since it uses as much as digits as its factorization.
10680803261 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13824, while the sum is 35.
The spelling of 10680803261 in words is "ten billion, six hundred eighty million, eight hundred three thousand, two hundred sixty-one".
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