Base | Representation |
---|---|
bin | 11111011111001… |
… | …01010110001111 |
3 | 200102000021222001 |
4 | 33233211112033 |
5 | 1020104210413 |
6 | 42113133131 |
7 | 6355041043 |
oct | 1757452617 |
9 | 612007861 |
10 | 264131983 |
11 | 1261062a5 |
12 | 7455a1a7 |
13 | 4294cc1b |
14 | 27118023 |
15 | 182c64dd |
hex | fbe558f |
264131983 has 2 divisors, whose sum is σ = 264131984. Its totient is φ = 264131982.
The previous prime is 264131981. The next prime is 264132017. The reversal of 264131983 is 389131462.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 264131983 - 21 = 264131981 is a prime.
Together with 264131981, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (264131981) 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, 132065991 + 132065992.
It is an arithmetic number, because the mean of its divisors is an integer number (132065992).
Almost surely, 2264131983 is an apocalyptic number.
264131983 is a deficient number, since it is larger than the sum of its proper divisors (1).
264131983 is an equidigital number, since it uses as much as digits as its factorization.
264131983 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 31104, while the sum is 37.
The square root of 264131983 is about 16252.1377978406. The cubic root of 264131983 is about 641.6137522303.
The spelling of 264131983 in words is "two hundred sixty-four million, one hundred thirty-one thousand, nine hundred eighty-three".
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