Base | Representation |
---|---|
bin | 10101110010010000… |
… | …111101000000010000 |
3 | 2020101012221210101102 |
4 | 111302100331000100 |
5 | 340401310231110 |
6 | 14425053123532 |
7 | 1455446504303 |
oct | 256220750020 |
9 | 66335853342 |
10 | 23391883280 |
11 | 9a14121147 |
12 | 4649a895a8 |
13 | 228a31b16c |
14 | 11bc97cb3a |
15 | 91d91d5a5 |
hex | 57243d010 |
23391883280 has 80 divisors (see below), whose sum is σ = 56177356800. Its totient is φ = 9048983040.
The previous prime is 23391883267. The next prime is 23391883297. The reversal of 23391883280 is 8238819332.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 6741386 + ... + 6744854.
It is an arithmetic number, because the mean of its divisors is an integer number (702216960).
Almost surely, 223391883280 is an apocalyptic number.
23391883280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23391883280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28088678400).
23391883280 is an abundant number, since it is smaller than the sum of its proper divisors (32785473520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23391883280 is a wasteful number, since it uses less digits than its factorization.
23391883280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6232 (or 6226 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 47.
The spelling of 23391883280 in words is "twenty-three billion, three hundred ninety-one million, eight hundred eighty-three thousand, two hundred eighty".
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