Base | Representation |
---|---|
bin | 111011111011101101… |
… | …010110111011001101 |
3 | 20011002211121102010212 |
4 | 323323231112323031 |
5 | 2023243220414431 |
6 | 45321345412205 |
7 | 4435500225065 |
oct | 737355267315 |
9 | 204084542125 |
10 | 64352513741 |
11 | 2532335305a |
12 | 1057b63a065 |
13 | 60b7404cc9 |
14 | 318696a3a5 |
15 | 1a1990b72b |
hex | efbb56ecd |
64352513741 has 4 divisors (see below), whose sum is σ = 65849083872. Its totient is φ = 62855943612.
The previous prime is 64352513737. The next prime is 64352513759. The reversal of 64352513741 is 14731525346.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 64352513741 - 22 = 64352513737 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64352543741) 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, 748285001 + ... + 748285086.
It is an arithmetic number, because the mean of its divisors is an integer number (16462270968).
Almost surely, 264352513741 is an apocalyptic number.
It is an amenable number.
64352513741 is a deficient number, since it is larger than the sum of its proper divisors (1496570131).
64352513741 is a wasteful number, since it uses less digits than its factorization.
64352513741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1496570130.
The product of its digits is 302400, while the sum is 41.
The spelling of 64352513741 in words is "sixty-four billion, three hundred fifty-two million, five hundred thirteen thousand, seven hundred forty-one".
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