Base | Representation |
---|---|
bin | 111100010001010001… |
… | …001110000000000001 |
3 | 20012001001020210200001 |
4 | 330101101032000001 |
5 | 2030013321022110 |
6 | 45421310400001 |
7 | 4450451633464 |
oct | 742121160001 |
9 | 205031223601 |
10 | 64714235905 |
11 | 254995542a0 |
12 | 10660800001 |
13 | 61443338a7 |
14 | 31bca092db |
15 | 1a3b55d63a |
hex | f1144e001 |
64714235905 has 16 divisors (see below), whose sum is σ = 84726259200. Its totient is φ = 47059653760.
The previous prime is 64714235863. The next prime is 64714235953. The reversal of 64714235905 is 50953241746.
It is a happy number.
It is not a de Polignac number, because 64714235905 - 215 = 64714203137 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472176 + ... + 593614.
It is an arithmetic number, because the mean of its divisors is an integer number (5295391200).
Almost surely, 264714235905 is an apocalyptic number.
It is an amenable number.
64714235905 is a deficient number, since it is larger than the sum of its proper divisors (20012023295).
64714235905 is a wasteful number, since it uses less digits than its factorization.
64714235905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131144.
The product of its (nonzero) digits is 907200, while the sum is 46.
The spelling of 64714235905 in words is "sixty-four billion, seven hundred fourteen million, two hundred thirty-five thousand, nine hundred five".
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