Base | Representation |
---|---|
bin | 111100001010100010… |
… | …001100001110111001 |
3 | 20011202011122020201221 |
4 | 330022202030032321 |
5 | 2024300404311401 |
6 | 45402152512041 |
7 | 4444610342665 |
oct | 741242141671 |
9 | 204664566657 |
10 | 64601244601 |
11 | 2544079a253 |
12 | 1062a9ab621 |
13 | 6126ac1b2a |
14 | 31ab9d58a5 |
15 | 1a3168e7a1 |
hex | f0a88c3b9 |
64601244601 has 2 divisors, whose sum is σ = 64601244602. Its totient is φ = 64601244600.
The previous prime is 64601244599. The next prime is 64601244607. The reversal of 64601244601 is 10644210646.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 45804560400 + 18796684201 = 214020^2 + 137101^2 .
It is a cyclic number.
It is not a de Polignac number, because 64601244601 - 21 = 64601244599 is a prime.
Together with 64601244599, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (64601244607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32300622300 + 32300622301.
It is an arithmetic number, because the mean of its divisors is an integer number (32300622301).
Almost surely, 264601244601 is an apocalyptic number.
It is an amenable number.
64601244601 is a deficient number, since it is larger than the sum of its proper divisors (1).
64601244601 is an equidigital number, since it uses as much as digits as its factorization.
64601244601 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27648, while the sum is 34.
The spelling of 64601244601 in words is "sixty-four billion, six hundred one million, two hundred forty-four thousand, six hundred one".
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