Base | Representation |
---|---|
bin | 10101101011100110… |
… | …001100001100000001 |
3 | 2020002102110001002001 |
4 | 111223212030030001 |
5 | 340134140304420 |
6 | 14410015224001 |
7 | 1452620551141 |
oct | 255346141401 |
9 | 66072401061 |
10 | 23280009985 |
11 | 9966a60081 |
12 | 4618518001 |
13 | 22700ab24b |
14 | 11abb7a921 |
15 | 913bc0b0a |
hex | 56b98c301 |
23280009985 has 8 divisors (see below), whose sum is σ = 28899322920. Its totient is φ = 17981800704.
The previous prime is 23280009971. The next prime is 23280010003. The reversal of 23280009985 is 58990008232.
It can be written as a sum of positive squares in 4 ways, for example, as 730783089 + 22549226896 = 27033^2 + 150164^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23280009985 - 217 = 23279878913 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80275752 + ... + 80276041.
It is an arithmetic number, because the mean of its divisors is an integer number (3612415365).
Almost surely, 223280009985 is an apocalyptic number.
It is an amenable number.
23280009985 is a deficient number, since it is larger than the sum of its proper divisors (5619312935).
23280009985 is a wasteful number, since it uses less digits than its factorization.
23280009985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160551827.
The product of its (nonzero) digits is 311040, while the sum is 46.
The spelling of 23280009985 in words is "twenty-three billion, two hundred eighty million, nine thousand, nine hundred eighty-five".
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