Base | Representation |
---|---|
bin | 111100001101010111… |
… | …000110111110011111 |
3 | 20011212110212202201020 |
4 | 330031113012332133 |
5 | 2024400024434020 |
6 | 45411005215223 |
7 | 4446024431526 |
oct | 741527067637 |
9 | 204773782636 |
10 | 64648671135 |
11 | 25465542534 |
12 | 10642861513 |
13 | 6133888a79 |
14 | 31b401d4bd |
15 | 1a3590bc40 |
hex | f0d5c6f9f |
64648671135 has 8 divisors (see below), whose sum is σ = 103437873840. Its totient is φ = 34479291264.
The previous prime is 64648671089. The next prime is 64648671149. The reversal of 64648671135 is 53117684646.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64648671135 - 27 = 64648671007 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 2154955690 + ... + 2154955719.
It is an arithmetic number, because the mean of its divisors is an integer number (12929734230).
Almost surely, 264648671135 is an apocalyptic number.
64648671135 is a deficient number, since it is larger than the sum of its proper divisors (38789202705).
64648671135 is a wasteful number, since it uses less digits than its factorization.
64648671135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4309911417.
The product of its digits is 2903040, while the sum is 51.
The spelling of 64648671135 in words is "sixty-four billion, six hundred forty-eight million, six hundred seventy-one thousand, one hundred thirty-five".
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