Base | Representation |
---|---|
bin | 11001010000110100100… |
… | …11001110110100100000 |
3 | 10001222112010111122021020 |
4 | 30220122103032310200 |
5 | 103210203302032343 |
6 | 1502433124325440 |
7 | 116466313503636 |
oct | 14503223166440 |
9 | 3058463448236 |
10 | 868024642848 |
11 | 3051443107a0 |
12 | 12028b843880 |
13 | 63b1509742c |
14 | 30026899356 |
15 | 178a52abb83 |
hex | ca1a4ced20 |
868024642848 has 48 divisors (see below), whose sum is σ = 2485706934816. Its totient is φ = 263037770240.
The previous prime is 868024642847. The next prime is 868024642867. The reversal of 868024642848 is 848246420868.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×8680246428482 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 868024642791 and 868024642800.
It is not an unprimeable number, because it can be changed into a prime (868024642847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410995461 + ... + 410997572.
It is an arithmetic number, because the mean of its divisors is an integer number (51785561142).
Almost surely, 2868024642848 is an apocalyptic number.
868024642848 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
868024642848 is an abundant number, since it is smaller than the sum of its proper divisors (1617682291968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868024642848 is a wasteful number, since it uses less digits than its factorization.
868024642848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 821993057 (or 821993049 counting only the distinct ones).
The product of its (nonzero) digits is 37748736, while the sum is 60.
The spelling of 868024642848 in words is "eight hundred sixty-eight billion, twenty-four million, six hundred forty-two thousand, eight hundred forty-eight".
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