Base | Representation |
---|---|
bin | 111110010111010001… |
… | …100111101011100111 |
3 | 20101211201201211210121 |
4 | 332113101213223213 |
5 | 2044114344104124 |
6 | 50432342302411 |
7 | 4560251520436 |
oct | 762721475347 |
9 | 211751654717 |
10 | 66962488039 |
11 | 26442640407 |
12 | 10b89727a07 |
13 | 641205abb5 |
14 | 335344711d |
15 | 1b1db0c2e4 |
hex | f97467ae7 |
66962488039 has 2 divisors, whose sum is σ = 66962488040. Its totient is φ = 66962488038.
The previous prime is 66962488027. The next prime is 66962488081. The reversal of 66962488039 is 93088426966.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 66962488039 - 231 = 64815004391 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (66962488639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33481244019 + 33481244020.
It is an arithmetic number, because the mean of its divisors is an integer number (33481244020).
Almost surely, 266962488039 is an apocalyptic number.
66962488039 is a deficient number, since it is larger than the sum of its proper divisors (1).
66962488039 is an equidigital number, since it uses as much as digits as its factorization.
66962488039 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 26873856, while the sum is 61.
The spelling of 66962488039 in words is "sixty-six billion, nine hundred sixty-two million, four hundred eighty-eight thousand, thirty-nine".
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