Base | Representation |
---|---|
bin | 11101011111110011111111… |
… | …11110001101011000010001 |
3 | 22111200000020110211010211100 |
4 | 32233321333332031120101 |
5 | 32000220443214241403 |
6 | 345542241314335013 |
7 | 16443215542242633 |
oct | 1657717776153021 |
9 | 274600213733740 |
10 | 64864743118353 |
11 | 19738a8a519552 |
12 | 733727b28a469 |
13 | 2a2694692a579 |
14 | 12036827a4a53 |
15 | 777432bb62a3 |
hex | 3afe7ff8d611 |
64864743118353 has 24 divisors (see below), whose sum is σ = 99212134601736. Its totient is φ = 40696479129600.
The previous prime is 64864743118267. The next prime is 64864743118361. The reversal of 64864743118353 is 35381134746846.
64864743118353 is a `hidden beast` number, since 6 + 4 + 8 + 6 + 474 + 31 + 1 + 83 + 53 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 855387009 + 64863887731344 = 29247^2 + 8053812^2 .
It is not a de Polignac number, because 64864743118353 - 210 = 64864743117329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64864743118453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13349728 + ... + 17548353.
It is an arithmetic number, because the mean of its divisors is an integer number (4133838941739).
Almost surely, 264864743118353 is an apocalyptic number.
It is an amenable number.
64864743118353 is a deficient number, since it is larger than the sum of its proper divisors (34347391483383).
64864743118353 is a wasteful number, since it uses less digits than its factorization.
64864743118353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30911825 (or 30911822 counting only the distinct ones).
The product of its digits is 139345920, while the sum is 63.
The spelling of 64864743118353 in words is "sixty-four trillion, eight hundred sixty-four billion, seven hundred forty-three million, one hundred eighteen thousand, three hundred fifty-three".
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