Base | Representation |
---|---|
bin | 111011111100000011… |
… | …100011000100011111 |
3 | 20011010020112221110010 |
4 | 323330003203010133 |
5 | 2023301213040110 |
6 | 45322114214303 |
7 | 4435600533033 |
oct | 737403430437 |
9 | 204106487403 |
10 | 64358330655 |
11 | 25326666423 |
12 | 10581584393 |
13 | 60b8690878 |
14 | 31876421c3 |
15 | 1a1a1aa020 |
hex | efc0e311f |
64358330655 has 16 divisors (see below), whose sum is σ = 102982915584. Its totient is φ = 34321247520.
The previous prime is 64358330653. The next prime is 64358330657. The reversal of 64358330655 is 55603385346.
It is an interprime number because it is at equal distance from previous prime (64358330653) and next prime (64358330657).
It is not a de Polignac number, because 64358330655 - 21 = 64358330653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64358330651) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28491 + ... + 359900.
It is an arithmetic number, because the mean of its divisors is an integer number (6436432224).
Almost surely, 264358330655 is an apocalyptic number.
64358330655 is a deficient number, since it is larger than the sum of its proper divisors (38624584929).
64358330655 is a wasteful number, since it uses less digits than its factorization.
64358330655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399446.
The product of its (nonzero) digits is 3888000, while the sum is 48.
The spelling of 64358330655 in words is "sixty-four billion, three hundred fifty-eight million, three hundred thirty thousand, six hundred fifty-five".
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