Base | Representation |
---|---|
bin | 1111010101010… |
… | …1111011011111 |
3 | 11111000112201212 |
4 | 3311111323133 |
5 | 112431040403 |
6 | 10214255035 |
7 | 1410445406 |
oct | 365257337 |
9 | 144015655 |
10 | 64315103 |
11 | 33338986 |
12 | 1965747b |
13 | 1042b098 |
14 | 878263d |
15 | 59a64d8 |
hex | 3d55edf |
64315103 has 4 divisors (see below), whose sum is σ = 64333248. Its totient is φ = 64296960.
The previous prime is 64315099. The next prime is 64315151. The reversal of 64315103 is 30151346.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 64315103 - 22 = 64315099 is a prime.
It is a super-4 number, since 4×643151034 (a number of 32 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64311103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826 + ... + 11487.
It is an arithmetic number, because the mean of its divisors is an integer number (16083312).
Almost surely, 264315103 is an apocalyptic number.
64315103 is a deficient number, since it is larger than the sum of its proper divisors (18145).
64315103 is a wasteful number, since it uses less digits than its factorization.
64315103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18144.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 64315103 is about 8019.6697562930. The cubic root of 64315103 is about 400.6553901562.
Adding to 64315103 its reverse (30151346), we get a palindrome (94466449).
The spelling of 64315103 in words is "sixty-four million, three hundred fifteen thousand, one hundred three".
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