Base | Representation |
---|---|
bin | 111100000100000110… |
… | …101000111110110011 |
3 | 20011110122122002112221 |
4 | 330010012220332303 |
5 | 2024040244442102 |
6 | 45343340301511 |
7 | 4442130335536 |
oct | 740406507663 |
9 | 204418562487 |
10 | 64493359027 |
11 | 25395902219 |
12 | 105ba841897 |
13 | 610a64a006 |
14 | 319b550a1d |
15 | 1a26e7d637 |
hex | f041a8fb3 |
64493359027 has 4 divisors (see below), whose sum is σ = 64493893816. Its totient is φ = 64492824240.
The previous prime is 64493359013. The next prime is 64493359033. The reversal of 64493359027 is 72095339446.
It is a happy number.
64493359027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 64493359027 - 215 = 64493326259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64493359097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8143 + ... + 359239.
It is an arithmetic number, because the mean of its divisors is an integer number (16123473454).
Almost surely, 264493359027 is an apocalyptic number.
64493359027 is a deficient number, since it is larger than the sum of its proper divisors (534789).
64493359027 is a wasteful number, since it uses less digits than its factorization.
64493359027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534788.
The product of its (nonzero) digits is 4898880, while the sum is 52.
The spelling of 64493359027 in words is "sixty-four billion, four hundred ninety-three million, three hundred fifty-nine thousand, twenty-seven".
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