Base | Representation |
---|---|
bin | 11101011111101000011000… |
… | …01001101100111010101000 |
3 | 22111122102010201201020110020 |
4 | 32233310030021230322220 |
5 | 32000120204240204020 |
6 | 345535330314120440 |
7 | 16442605134205443 |
oct | 1657641411547250 |
9 | 274572121636406 |
10 | 64858505006760 |
11 | 19736379244a23 |
12 | 733601a120120 |
13 | 2a2619142238a |
14 | 12032500d265a |
15 | 7771ba1e6c40 |
hex | 3afd0c26cea8 |
64858505006760 has 64 divisors (see below), whose sum is σ = 195298844169600. Its totient is φ = 17231305410816.
The previous prime is 64858505006741. The next prime is 64858505006767. The reversal of 64858505006760 is 6760050585846.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 64858505006694 and 64858505006703.
It is not an unprimeable number, because it can be changed into a prime (64858505006767) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004591404 + ... + 1004655963.
It is an arithmetic number, because the mean of its divisors is an integer number (3051544440150).
Almost surely, 264858505006760 is an apocalyptic number.
64858505006760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
64858505006760 is an abundant number, since it is smaller than the sum of its proper divisors (130440339162840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64858505006760 is a wasteful number, since it uses less digits than its factorization.
64858505006760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2009247650 (or 2009247646 counting only the distinct ones).
The product of its (nonzero) digits is 48384000, while the sum is 60.
The spelling of 64858505006760 in words is "sixty-four trillion, eight hundred fifty-eight billion, five hundred five million, six thousand, seven hundred sixty".
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