Base | Representation |
---|---|
bin | 111111110010000011… |
… | …111000000101101100 |
3 | 20112202212202112220212 |
4 | 333302003320011230 |
5 | 2110224304040014 |
6 | 51243432201552 |
7 | 4643065044644 |
oct | 776203700554 |
9 | 215685675825 |
10 | 68485611884 |
11 | 27054384948 |
12 | 113338392b8 |
13 | 65c5788401 |
14 | 3459849524 |
15 | 1bac6c323e |
hex | ff20f816c |
68485611884 has 12 divisors (see below), whose sum is σ = 119913280200. Its totient is φ = 34224674688.
The previous prime is 68485611863. The next prime is 68485611941. The reversal of 68485611884 is 48811658486.
It is an unprimeable number.
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, 4524314 + ... + 4539425.
It is an arithmetic number, because the mean of its divisors is an integer number (9992773350).
Almost surely, 268485611884 is an apocalyptic number.
It is an amenable number.
68485611884 is a deficient number, since it is larger than the sum of its proper divisors (51427668316).
68485611884 is a wasteful number, since it uses less digits than its factorization.
68485611884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9065632 (or 9065630 counting only the distinct ones).
The product of its digits is 11796480, while the sum is 59.
The spelling of 68485611884 in words is "sixty-eight billion, four hundred eighty-five million, six hundred eleven thousand, eight hundred eighty-four".
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