Base | Representation |
---|---|
bin | 110100100011110… |
… | …101010110000000 |
3 | 2021110021112020000 |
4 | 310203311112000 |
5 | 3301220340033 |
6 | 223300120000 |
7 | 30565152021 |
oct | 6443652600 |
9 | 2243245200 |
10 | 881808768 |
11 | 412837a85 |
12 | 207396000 |
13 | 1108c7649 |
14 | 85182c48 |
15 | 52636a13 |
hex | 348f5580 |
881808768 has 160 divisors (see below), whose sum is σ = 2779171560. Its totient is φ = 276590592.
The previous prime is 881808761. The next prime is 881808769. The reversal of 881808768 is 867808188.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (881808761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 173755 + ... + 178757.
Almost surely, 2881808768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 881808768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389585780).
881808768 is an abundant number, since it is smaller than the sum of its proper divisors (1897362792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
881808768 is a wasteful number, since it uses less digits than its factorization.
881808768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5046 (or 5025 counting only the distinct ones).
The product of its (nonzero) digits is 1376256, while the sum is 54.
The square root of 881808768 is about 29695.2650771129. The cubic root of 881808768 is about 958.9400801911.
The spelling of 881808768 in words is "eight hundred eighty-one million, eight hundred eight thousand, seven hundred sixty-eight".
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