Base | Representation |
---|---|
bin | 11100101001101010001… |
… | …010011101001100001100 |
3 | 20222020000100211022202010 |
4 | 130221222022131030030 |
5 | 224224224243204333 |
6 | 4104253400501220 |
7 | 262150405060146 |
oct | 34515212351414 |
9 | 6866010738663 |
10 | 1968876147468 |
11 | 699aa529080a |
12 | 2796b877a810 |
13 | 1138833b9799 |
14 | 6b419097c96 |
15 | 363358aa563 |
hex | 1ca6a29d30c |
1968876147468 has 96 divisors (see below), whose sum is σ = 4690399633920. Its totient is φ = 642580024320.
The previous prime is 1968876147443. The next prime is 1968876147559. The reversal of 1968876147468 is 8647416788691.
It is a super-2 number, since 2×19688761474682 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1968876147468.
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 31 ways as a sum of consecutive naturals, for example, 1262908873 + ... + 1262910431.
It is an arithmetic number, because the mean of its divisors is an integer number (48858329520).
Almost surely, 21968876147468 is an apocalyptic number.
It is an amenable number.
1968876147468 is an abundant number, since it is smaller than the sum of its proper divisors (2721523486452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968876147468 is a wasteful number, since it uses less digits than its factorization.
1968876147468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4447 (or 4445 counting only the distinct ones).
The product of its digits is 780337152, while the sum is 75.
The spelling of 1968876147468 in words is "one trillion, nine hundred sixty-eight billion, eight hundred seventy-six million, one hundred forty-seven thousand, four hundred sixty-eight".
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