Base | Representation |
---|---|
bin | 111011111100101011… |
… | …001010001011001111 |
3 | 20011010222002111100000 |
4 | 323330223022023033 |
5 | 2023311342330242 |
6 | 45323124535343 |
7 | 4436055021342 |
oct | 737453121317 |
9 | 204128074300 |
10 | 64368714447 |
11 | 25331508974 |
12 | 10584b51553 |
13 | 60ba88801b |
14 | 3188b86459 |
15 | 1a1b05ba4c |
hex | efcaca2cf |
64368714447 has 96 divisors (see below), whose sum is σ = 102214082880. Its totient is φ = 40419025920.
The previous prime is 64368714413. The next prime is 64368714461. The reversal of 64368714447 is 74441786346.
It is not a de Polignac number, because 64368714447 - 214 = 64368698063 is a prime.
Its product of digits (10838016) is a multiple of the sum of its prime divisors (1323).
It is a junction number, because it is equal to n+sod(n) for n = 64368714393 and 64368714402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64368714467) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58891233 + ... + 58892325.
It is an arithmetic number, because the mean of its divisors is an integer number (1064730030).
Almost surely, 264368714447 is an apocalyptic number.
64368714447 is a deficient number, since it is larger than the sum of its proper divisors (37845368433).
64368714447 is a wasteful number, since it uses less digits than its factorization.
64368714447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1335 (or 1323 counting only the distinct ones).
The product of its digits is 10838016, while the sum is 54.
The spelling of 64368714447 in words is "sixty-four billion, three hundred sixty-eight million, seven hundred fourteen thousand, four hundred forty-seven".
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