Base | Representation |
---|---|
bin | 111011101111111011… |
… | …010001010010000000 |
3 | 20010121001122020120202 |
4 | 323233323101102000 |
5 | 2022342114142143 |
6 | 45250004424332 |
7 | 4430550043334 |
oct | 735773212200 |
9 | 203531566522 |
10 | 64154834048 |
11 | 25231805408 |
12 | 105253a80a8 |
13 | 6085480b86 |
14 | 31685cd7c4 |
15 | 1a073aeab8 |
hex | eefed1480 |
64154834048 has 32 divisors (see below), whose sum is σ = 129244531500. Its totient is φ = 31716990976.
The previous prime is 64154834041. The next prime is 64154834063. The reversal of 64154834048 is 84043845146.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 64154810944 + 23104 = 253288^2 + 152^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 64154833993 and 64154834011.
It is not an unprimeable number, because it can be changed into a prime (64154834041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804393 + ... + 2827176.
Almost surely, 264154834048 is an apocalyptic number.
It is an amenable number.
64154834048 is an abundant number, since it is smaller than the sum of its proper divisors (65089697452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64154834048 is an equidigital number, since it uses as much as digits as its factorization.
64154834048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5631672 (or 5631660 counting only the distinct ones).
The product of its (nonzero) digits is 1474560, while the sum is 47.
The spelling of 64154834048 in words is "sixty-four billion, one hundred fifty-four million, eight hundred thirty-four thousand, forty-eight".
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