Base | Representation |
---|---|
bin | 111111100101001111… |
… | …000101110001000010 |
3 | 20112012212220002010100 |
4 | 333211033011301002 |
5 | 2104304213311212 |
6 | 51210224343230 |
7 | 4634543142033 |
oct | 774517056102 |
9 | 215185802110 |
10 | 68270447682 |
11 | 26a53984898 |
12 | 11293774b16 |
13 | 6590021b08 |
14 | 343903aa8a |
15 | 1b98870bdc |
hex | fe53c5c42 |
68270447682 has 48 divisors (see below), whose sum is σ = 154795717440. Its totient is φ = 21704613216.
The previous prime is 68270447633. The next prime is 68270447719. The reversal of 68270447682 is 28674407286.
It is a happy number.
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 23 ways as a sum of consecutive naturals, for example, 93957 + ... + 381272.
It is an arithmetic number, because the mean of its divisors is an integer number (3224910780).
Almost surely, 268270447682 is an apocalyptic number.
68270447682 is an abundant number, since it is smaller than the sum of its proper divisors (86525269758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68270447682 is a wasteful number, since it uses less digits than its factorization.
68270447682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475607 (or 475604 counting only the distinct ones).
The product of its (nonzero) digits is 7225344, while the sum is 54.
The spelling of 68270447682 in words is "sixty-eight billion, two hundred seventy million, four hundred forty-seven thousand, six hundred eighty-two".
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