Base | Representation |
---|---|
bin | 111111100110111011… |
… | …010101000000101011 |
3 | 20112021212021121220222 |
4 | 333212323111000223 |
5 | 2104333444243200 |
6 | 51213120440255 |
7 | 4635336256040 |
oct | 774673250053 |
9 | 215255247828 |
10 | 68298821675 |
11 | 26a689a4677 |
12 | 112a117908b |
13 | 6595b77966 |
14 | 343cb051c7 |
15 | 1b9b0c7d85 |
hex | fe6ed502b |
68298821675 has 24 divisors (see below), whose sum is σ = 101883360000. Its totient is φ = 44368555680.
The previous prime is 68298821671. The next prime is 68298821683. The reversal of 68298821675 is 57612889286.
It is not a de Polignac number, because 68298821675 - 22 = 68298821671 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68298821671) 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, 10267175 + ... + 10273824.
It is an arithmetic number, because the mean of its divisors is an integer number (4245140000).
Almost surely, 268298821675 is an apocalyptic number.
68298821675 is a deficient number, since it is larger than the sum of its proper divisors (33584538325).
68298821675 is a wasteful number, since it uses less digits than its factorization.
68298821675 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20541035 (or 20541030 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 62.
The spelling of 68298821675 in words is "sixty-eight billion, two hundred ninety-eight million, eight hundred twenty-one thousand, six hundred seventy-five".
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