Base | Representation |
---|---|
bin | 1111010011000… |
… | …0000110100001 |
3 | 11110201200012021 |
4 | 3310300012201 |
5 | 112411111121 |
6 | 10211101441 |
7 | 1406231602 |
oct | 364600641 |
9 | 143650167 |
10 | 64160161 |
11 | 3324252a |
12 | 195a1881 |
13 | 103a56c0 |
14 | 8741da9 |
15 | 5975641 |
hex | 3d301a1 |
64160161 has 8 divisors (see below), whose sum is σ = 69177024. Its totient is φ = 59154960.
The previous prime is 64160153. The next prime is 64160167. The reversal of 64160161 is 16106146.
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 64160161 - 23 = 64160153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64160167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11010 + ... + 15796.
It is an arithmetic number, because the mean of its divisors is an integer number (8647128).
Almost surely, 264160161 is an apocalyptic number.
It is an amenable number.
64160161 is a deficient number, since it is larger than the sum of its proper divisors (5016863).
64160161 is a wasteful number, since it uses less digits than its factorization.
64160161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5831.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 64160161 is about 8010.0038077394. The cubic root of 64160161 is about 400.3333907992. Note that the first 4 decimals are identical.
The spelling of 64160161 in words is "sixty-four million, one hundred sixty thousand, one hundred sixty-one".
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