Base | Representation |
---|---|
bin | 111001101111111… |
… | …111001011111011 |
3 | 2111112010020201110 |
4 | 321233333023323 |
5 | 3441013142031 |
6 | 240050251403 |
7 | 33003231426 |
oct | 7157771373 |
9 | 2445106643 |
10 | 968880891 |
11 | 4579a9610 |
12 | 230586b63 |
13 | 125962a04 |
14 | 9296a9bd |
15 | 5a0d5c46 |
hex | 39bff2fb |
968880891 has 16 divisors (see below), whose sum is σ = 1411838208. Its totient is φ = 586135200.
The previous prime is 968880883. The next prime is 968880901. The reversal of 968880891 is 198088869.
It is not a de Polignac number, because 968880891 - 23 = 968880883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (968880821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7975 + ... + 44736.
It is an arithmetic number, because the mean of its divisors is an integer number (88239888).
Almost surely, 2968880891 is an apocalyptic number.
968880891 is a deficient number, since it is larger than the sum of its proper divisors (442957317).
968880891 is a wasteful number, since it uses less digits than its factorization.
968880891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53282.
The product of its (nonzero) digits is 1990656, while the sum is 57.
The square root of 968880891 is about 31126.8516075751. The cubic root of 968880891 is about 989.5174640597.
The spelling of 968880891 in words is "nine hundred sixty-eight million, eight hundred eighty thousand, eight hundred ninety-one".
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