Base | Representation |
---|---|
bin | 11000101010110010… |
… | …01000010001000000 |
3 | 1021011222120022010002 |
4 | 30111121020101000 |
5 | 204110403422010 |
6 | 10030100455132 |
7 | 646123351346 |
oct | 142531102100 |
9 | 37158508102 |
10 | 13243810880 |
11 | 5686871153 |
12 | 26973aa4a8 |
13 | 1330a582b1 |
14 | 8d8cb3996 |
15 | 527a621a5 |
hex | 315648440 |
13243810880 has 28 divisors (see below), whose sum is σ = 31536825420. Its totient is φ = 5297524224.
The previous prime is 13243810871. The next prime is 13243810897. The reversal of 13243810880 is 8801834231.
It can be written as a sum of positive squares in 2 ways, for example, as 8677295104 + 4566515776 = 93152^2 + 67576^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20693135 + ... + 20693774.
Almost surely, 213243810880 is an apocalyptic number.
13243810880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13243810880 is an abundant number, since it is smaller than the sum of its proper divisors (18293014540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13243810880 is an equidigital number, since it uses as much as digits as its factorization.
13243810880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41386926 (or 41386916 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The spelling of 13243810880 in words is "thirteen billion, two hundred forty-three million, eight hundred ten thousand, eight hundred eighty".
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