Base | Representation |
---|---|
bin | 1111010011000… |
… | …1000100011011 |
3 | 11110201212122000 |
4 | 3310301010123 |
5 | 112411222443 |
6 | 10211132043 |
7 | 1406246262 |
oct | 364610433 |
9 | 143655560 |
10 | 64164123 |
11 | 33245501 |
12 | 195a4023 |
13 | 103a744a |
14 | 87435d9 |
15 | 59768d3 |
hex | 3d3111b |
64164123 has 8 divisors (see below), whose sum is σ = 95058000. Its totient is φ = 42776064.
The previous prime is 64164109. The next prime is 64164151. The reversal of 64164123 is 32146146.
64164123 is a `hidden beast` number, since 641 + 6 + 4 + 12 + 3 = 666.
64164123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 64164123 - 26 = 64164059 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2376449 = 64164123 / (6 + 4 + 1 + 6 + 4 + 1 + 2 + 3).
It is not an unprimeable number, because it can be changed into a prime (64164323) 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, 1188198 + ... + 1188251.
It is an arithmetic number, because the mean of its divisors is an integer number (11882250).
Almost surely, 264164123 is an apocalyptic number.
64164123 is a deficient number, since it is larger than the sum of its proper divisors (30893877).
64164123 is a wasteful number, since it uses less digits than its factorization.
64164123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2376458 (or 2376452 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 64164123 is about 8010.2511196591. The cubic root of 64164123 is about 400.3416310542.
The spelling of 64164123 in words is "sixty-four million, one hundred sixty-four thousand, one hundred twenty-three".
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