Base | Representation |
---|---|
bin | 111011111011010110… |
… | …111010100100001111 |
3 | 20011002102112111201220 |
4 | 323323112322210033 |
5 | 2023240214133130 |
6 | 45321015334423 |
7 | 4435366222404 |
oct | 737326724417 |
9 | 204072474656 |
10 | 64346630415 |
11 | 2531aaa4901 |
12 | 10579681413 |
13 | 60b6125152 |
14 | 3185c782ab |
15 | 1a19148410 |
hex | efb5ba90f |
64346630415 has 8 divisors (see below), whose sum is σ = 102954608688. Its totient is φ = 34318202880.
The previous prime is 64346630407. The next prime is 64346630417. The reversal of 64346630415 is 51403664346.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64346630415 - 23 = 64346630407 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64346630417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144887666 + ... + 2144887695.
It is an arithmetic number, because the mean of its divisors is an integer number (12869326086).
Almost surely, 264346630415 is an apocalyptic number.
64346630415 is a deficient number, since it is larger than the sum of its proper divisors (38607978273).
64346630415 is a wasteful number, since it uses less digits than its factorization.
64346630415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4289775369.
The product of its (nonzero) digits is 622080, while the sum is 42.
The spelling of 64346630415 in words is "sixty-four billion, three hundred forty-six million, six hundred thirty thousand, four hundred fifteen".
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