Base | Representation |
---|---|
bin | 100111110100101… |
… | …000000111000001 |
3 | 1201120011100210011 |
4 | 213310220013001 |
5 | 2332013412301 |
6 | 150143504521 |
7 | 22361550256 |
oct | 4764500701 |
9 | 1646140704 |
10 | 668107201 |
11 | 313146913 |
12 | 1678b8141 |
13 | a8553a08 |
14 | 64a3542d |
15 | 3d9c2a51 |
hex | 27d281c1 |
668107201 has 8 divisors (see below), whose sum is σ = 673299200. Its totient is φ = 662925600.
The previous prime is 668107163. The next prime is 668107267. The reversal of 668107201 is 102701866.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 668107201 - 27 = 668107073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (668107001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168520 + ... + 172438.
It is an arithmetic number, because the mean of its divisors is an integer number (84162400).
Almost surely, 2668107201 is an apocalyptic number.
It is an amenable number.
668107201 is a deficient number, since it is larger than the sum of its proper divisors (5191999).
668107201 is a wasteful number, since it uses less digits than its factorization.
668107201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5199.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 668107201 is about 25847.7697490519. The cubic root of 668107201 is about 874.2092234055.
The spelling of 668107201 in words is "six hundred sixty-eight million, one hundred seven thousand, two hundred one".
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